Home / 2,870,512.40-4,306,351.80-977,445.20

Finding the Fourth Proportional to 2,870,512.40, 4,306,351.80 and 977,445.20

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Solution

The fourth proportional to 2,870,512.40, 4,306,351.80 and 977,445.20 is: 1,466,366.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,512.40 : 4,306,351.80 = 977,445.20 : x
  2. Step 2: Convert to fraction form
    2,870,512.40/4,306,351.80 = 977,445.20/x
  3. Step 3: Cross multiply
    2,870,512.40x = 4,306,351.80 × 977,445.20
  4. Step 4: Simplify right side
    2,870,512.40x = 4,209,222,896,421.36
  5. Step 5: Solve for x
    x = 4,209,222,896,421.36/2,870,512.40
  6. Step 6: Final answer
    x = 1,466,366.39

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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.