Home / 3,136,805.70-4,705,208.55-3,113,186.10

Finding the Fourth Proportional to 3,136,805.70, 4,705,208.55 and 3,113,186.10

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Solution

The fourth proportional to 3,136,805.70, 4,705,208.55 and 3,113,186.10 is: 4,669,779.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,805.70 : 4,705,208.55 = 3,113,186.10 : x
  2. Step 2: Convert to fraction form
    3,136,805.70/4,705,208.55 = 3,113,186.10/x
  3. Step 3: Cross multiply
    3,136,805.70x = 4,705,208.55 × 3,113,186.10
  4. Step 4: Simplify right side
    3,136,805.70x = 14,648,189,855,461.15
  5. Step 5: Solve for x
    x = 14,648,189,855,461.15/3,136,805.70
  6. Step 6: Final answer
    x = 4,669,779.15

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.