Home / 1,578,376.20-2,367,737.10-1,528,609.80

Finding the Fourth Proportional to 1,578,376.20, 2,367,737.10 and 1,528,609.80

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Solution

The fourth proportional to 1,578,376.20, 2,367,737.10 and 1,528,609.80 is: 2,293,082.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,376.20 : 2,367,737.10 = 1,528,609.80 : x
  2. Step 2: Convert to fraction form
    1,578,376.20/2,367,737.10 = 1,528,609.80/x
  3. Step 3: Cross multiply
    1,578,376.20x = 2,367,737.10 × 1,528,609.80
  4. Step 4: Simplify right side
    1,578,376.20x = 3,619,346,134,883.58
  5. Step 5: Solve for x
    x = 3,619,346,134,883.58/1,578,376.20
  6. Step 6: Final answer
    x = 2,293,082.05

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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.