Home / 1,815,095.70-2,722,643.55-1,217,898.90

Finding the Fourth Proportional to 1,815,095.70, 2,722,643.55 and 1,217,898.90

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Solution

The fourth proportional to 1,815,095.70, 2,722,643.55 and 1,217,898.90 is: 1,826,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,095.70 : 2,722,643.55 = 1,217,898.90 : x
  2. Step 2: Convert to fraction form
    1,815,095.70/2,722,643.55 = 1,217,898.90/x
  3. Step 3: Cross multiply
    1,815,095.70x = 2,722,643.55 × 1,217,898.90
  4. Step 4: Simplify right side
    1,815,095.70x = 3,315,904,584,637.10
  5. Step 5: Solve for x
    x = 3,315,904,584,637.10/1,815,095.70
  6. Step 6: Final answer
    x = 1,826,848.35

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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.