Home / 2,870,510.40-4,306,348.80-977,443.20

Finding the Fourth Proportional to 2,870,510.40, 4,306,348.80 and 977,443.20

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Solution

The fourth proportional to 2,870,510.40, 4,306,348.80 and 977,443.20 is: 1,466,363.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,510.40 : 4,306,348.80 = 977,443.20 : x
  2. Step 2: Convert to fraction form
    2,870,510.40/4,306,348.80 = 977,443.20/x
  3. Step 3: Cross multiply
    2,870,510.40x = 4,306,348.80 × 977,443.20
  4. Step 4: Simplify right side
    2,870,510.40x = 4,209,211,351,388.16
  5. Step 5: Solve for x
    x = 4,209,211,351,388.16/2,870,510.40
  6. Step 6: Final answer
    x = 1,466,363.39

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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.