Home / 2,172,959.40-3,259,439.10-1,583,135.40

Finding the Fourth Proportional to 2,172,959.40, 3,259,439.10 and 1,583,135.40

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Solution

The fourth proportional to 2,172,959.40, 3,259,439.10 and 1,583,135.40 is: 2,374,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,959.40 : 3,259,439.10 = 1,583,135.40 : x
  2. Step 2: Convert to fraction form
    2,172,959.40/3,259,439.10 = 1,583,135.40/x
  3. Step 3: Cross multiply
    2,172,959.40x = 3,259,439.10 × 1,583,135.40
  4. Step 4: Simplify right side
    2,172,959.40x = 5,160,133,423,354.14
  5. Step 5: Solve for x
    x = 5,160,133,423,354.14/2,172,959.40
  6. Step 6: Final answer
    x = 2,374,703.10

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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.