Home / 1,566,123.90-2,345,686.65-1,286,187.90

Finding the Fourth Proportional to 1,566,123.90, 2,345,686.65 and 1,286,187.90

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Solution

The fourth proportional to 1,566,123.90, 2,345,686.65 and 1,286,187.90 is: 1,926,408.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,123.90 : 2,345,686.65 = 1,286,187.90 : x
  2. Step 2: Convert to fraction form
    1,566,123.90/2,345,686.65 = 1,286,187.90/x
  3. Step 3: Cross multiply
    1,566,123.90x = 2,345,686.65 × 1,286,187.90
  4. Step 4: Simplify right side
    1,566,123.90x = 3,016,993,786,421.53
  5. Step 5: Solve for x
    x = 3,016,993,786,421.53/1,566,123.90
  6. Step 6: Final answer
    x = 1,926,408.11

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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.