Home / 1,864,245.60-2,569,920.48-1,318,700.88

Finding the Fourth Proportional to 1,864,245.60, 2,569,920.48 and 1,318,700.88

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Solution

The fourth proportional to 1,864,245.60, 2,569,920.48 and 1,318,700.88 is: 1,817,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,245.60 : 2,569,920.48 = 1,318,700.88 : x
  2. Step 2: Convert to fraction form
    1,864,245.60/2,569,920.48 = 1,318,700.88/x
  3. Step 3: Cross multiply
    1,864,245.60x = 2,569,920.48 × 1,318,700.88
  4. Step 4: Simplify right side
    1,864,245.60x = 3,388,956,398,506.02
  5. Step 5: Solve for x
    x = 3,388,956,398,506.02/1,864,245.60
  6. Step 6: Final answer
    x = 1,817,870.13

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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.