Home / 2,808,319.80-3,874,711.50-1,788,886.20

Finding the Fourth Proportional to 2,808,319.80, 3,874,711.50 and 1,788,886.20

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Solution

The fourth proportional to 2,808,319.80, 3,874,711.50 and 1,788,886.20 is: 2,468,172.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,319.80 : 3,874,711.50 = 1,788,886.20 : x
  2. Step 2: Convert to fraction form
    2,808,319.80/3,874,711.50 = 1,788,886.20/x
  3. Step 3: Cross multiply
    2,808,319.80x = 3,874,711.50 × 1,788,886.20
  4. Step 4: Simplify right side
    2,808,319.80x = 6,931,417,931,331.30
  5. Step 5: Solve for x
    x = 6,931,417,931,331.30/2,808,319.80
  6. Step 6: Final answer
    x = 2,468,172.58

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1.5x scale

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.