Home / 3,130,456.60-4,695,684.90-2,918,949.40

Finding the Fourth Proportional to 3,130,456.60, 4,695,684.90 and 2,918,949.40

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Solution

The fourth proportional to 3,130,456.60, 4,695,684.90 and 2,918,949.40 is: 4,378,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,456.60 : 4,695,684.90 = 2,918,949.40 : x
  2. Step 2: Convert to fraction form
    3,130,456.60/4,695,684.90 = 2,918,949.40/x
  3. Step 3: Cross multiply
    3,130,456.60x = 4,695,684.90 × 2,918,949.40
  4. Step 4: Simplify right side
    3,130,456.60x = 13,706,466,621,444.06
  5. Step 5: Solve for x
    x = 13,706,466,621,444.06/3,130,456.60
  6. Step 6: Final answer
    x = 4,378,424.10

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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.