Home / 1,679,863.40-2,526,015.90-1,406,148.20

Finding the Fourth Proportional to 1,679,863.40, 2,526,015.90 and 1,406,148.20

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Solution

The fourth proportional to 1,679,863.40, 2,526,015.90 and 1,406,148.20 is: 2,114,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,863.40 : 2,526,015.90 = 1,406,148.20 : x
  2. Step 2: Convert to fraction form
    1,679,863.40/2,526,015.90 = 1,406,148.20/x
  3. Step 3: Cross multiply
    1,679,863.40x = 2,526,015.90 × 1,406,148.20
  4. Step 4: Simplify right side
    1,679,863.40x = 3,551,952,710,956.38
  5. Step 5: Solve for x
    x = 3,551,952,710,956.38/1,679,863.40
  6. Step 6: Final answer
    x = 2,114,429.49

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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.