Home / 6,761,312.38-10,141,820.64-1,643,769.23

Finding the Fourth Proportional to 6,761,312.38, 10,141,820.64 and 1,643,769.23

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Solution

The fourth proportional to 6,761,312.38, 10,141,820.64 and 1,643,769.23 is: 2,465,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761,312.38 : 10,141,820.64 = 1,643,769.23 : x
  2. Step 2: Convert to fraction form
    6,761,312.38/10,141,820.64 = 1,643,769.23/x
  3. Step 3: Cross multiply
    6,761,312.38x = 10,141,820.64 × 1,643,769.23
  4. Step 4: Simplify right side
    6,761,312.38x = 16,670,812,705,925.62
  5. Step 5: Solve for x
    x = 16,670,812,705,925.62/6,761,312.38
  6. Step 6: Final answer
    x = 2,465,617.88

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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.