Home / 2,964,385.12-4,090,385.10-1,724,269.72

Finding the Fourth Proportional to 2,964,385.12, 4,090,385.10 and 1,724,269.72

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Solution

The fourth proportional to 2,964,385.12, 4,090,385.10 and 1,724,269.72 is: 2,379,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964,385.12 : 4,090,385.10 = 1,724,269.72 : x
  2. Step 2: Convert to fraction form
    2,964,385.12/4,090,385.10 = 1,724,269.72/x
  3. Step 3: Cross multiply
    2,964,385.12x = 4,090,385.10 × 1,724,269.72
  4. Step 4: Simplify right side
    2,964,385.12x = 7,052,927,171,069.17
  5. Step 5: Solve for x
    x = 7,052,927,171,069.17/2,964,385.12
  6. Step 6: Final answer
    x = 2,379,220.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.