Home / 4,985,117.70-7,477,676.55-1,619,664.90

Finding the Fourth Proportional to 4,985,117.70, 7,477,676.55 and 1,619,664.90

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Solution

The fourth proportional to 4,985,117.70, 7,477,676.55 and 1,619,664.90 is: 2,429,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985,117.70 : 7,477,676.55 = 1,619,664.90 : x
  2. Step 2: Convert to fraction form
    4,985,117.70/7,477,676.55 = 1,619,664.90/x
  3. Step 3: Cross multiply
    4,985,117.70x = 7,477,676.55 × 1,619,664.90
  4. Step 4: Simplify right side
    4,985,117.70x = 12,111,330,241,588.09
  5. Step 5: Solve for x
    x = 12,111,330,241,588.09/4,985,117.70
  6. Step 6: Final answer
    x = 2,429,497.35

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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.