Home / 3,907,702.87-5,390,646.05-2,666,382.17

Finding the Fourth Proportional to 3,907,702.87, 5,390,646.05 and 2,666,382.17

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Solution

The fourth proportional to 3,907,702.87, 5,390,646.05 and 2,666,382.17 is: 3,678,253.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,702.87 : 5,390,646.05 = 2,666,382.17 : x
  2. Step 2: Convert to fraction form
    3,907,702.87/5,390,646.05 = 2,666,382.17/x
  3. Step 3: Cross multiply
    3,907,702.87x = 5,390,646.05 × 2,666,382.17
  4. Step 4: Simplify right side
    3,907,702.87x = 14,373,522,492,430.71
  5. Step 5: Solve for x
    x = 14,373,522,492,430.71/3,907,702.87
  6. Step 6: Final answer
    x = 3,678,253.69

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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.