Home / 7,261,620.30-10,892,430.45-1,870,260.30

Finding the Fourth Proportional to 7,261,620.30, 10,892,430.45 and 1,870,260.30

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Solution

The fourth proportional to 7,261,620.30, 10,892,430.45 and 1,870,260.30 is: 2,805,390.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,620.30 : 10,892,430.45 = 1,870,260.30 : x
  2. Step 2: Convert to fraction form
    7,261,620.30/10,892,430.45 = 1,870,260.30/x
  3. Step 3: Cross multiply
    7,261,620.30x = 10,892,430.45 × 1,870,260.30
  4. Step 4: Simplify right side
    7,261,620.30x = 20,371,680,241,146.13
  5. Step 5: Solve for x
    x = 20,371,680,241,146.13/7,261,620.30
  6. Step 6: Final answer
    x = 2,805,390.45

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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.