Home / 3,117,181.22-4,671,638.40-1,600,802.90

Finding the Fourth Proportional to 3,117,181.22, 4,671,638.40 and 1,600,802.90

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Solution

The fourth proportional to 3,117,181.22, 4,671,638.40 and 1,600,802.90 is: 2,399,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,181.22 : 4,671,638.40 = 1,600,802.90 : x
  2. Step 2: Convert to fraction form
    3,117,181.22/4,671,638.40 = 1,600,802.90/x
  3. Step 3: Cross multiply
    3,117,181.22x = 4,671,638.40 × 1,600,802.90
  4. Step 4: Simplify right side
    3,117,181.22x = 7,478,372,298,471.36
  5. Step 5: Solve for x
    x = 7,478,372,298,471.36/3,117,181.22
  6. Step 6: Final answer
    x = 2,399,081.66

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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.