Home / 1,815,896.40-2,719,697.40-1,069,400.40

Finding the Fourth Proportional to 1,815,896.40, 2,719,697.40 and 1,069,400.40

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Solution

The fourth proportional to 1,815,896.40, 2,719,697.40 and 1,069,400.40 is: 1,601,658.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,896.40 : 2,719,697.40 = 1,069,400.40 : x
  2. Step 2: Convert to fraction form
    1,815,896.40/2,719,697.40 = 1,069,400.40/x
  3. Step 3: Cross multiply
    1,815,896.40x = 2,719,697.40 × 1,069,400.40
  4. Step 4: Simplify right side
    1,815,896.40x = 2,908,445,487,438.96
  5. Step 5: Solve for x
    x = 2,908,445,487,438.96/1,815,896.40
  6. Step 6: Final answer
    x = 1,601,658.27

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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.