Home / 2,870,518.40-4,306,360.80-977,451.20

Finding the Fourth Proportional to 2,870,518.40, 4,306,360.80 and 977,451.20

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Solution

The fourth proportional to 2,870,518.40, 4,306,360.80 and 977,451.20 is: 1,466,375.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,518.40 : 4,306,360.80 = 977,451.20 : x
  2. Step 2: Convert to fraction form
    2,870,518.40/4,306,360.80 = 977,451.20/x
  3. Step 3: Cross multiply
    2,870,518.40x = 4,306,360.80 × 977,451.20
  4. Step 4: Simplify right side
    2,870,518.40x = 4,209,257,531,592.96
  5. Step 5: Solve for x
    x = 4,209,257,531,592.96/2,870,518.40
  6. Step 6: Final answer
    x = 1,466,375.39

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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.