Home / 1,999,641.60-3,000,162.24-579,782.88

Finding the Fourth Proportional to 1,999,641.60, 3,000,162.24 and 579,782.88

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Solution

The fourth proportional to 1,999,641.60, 3,000,162.24 and 579,782.88 is: 869,877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,641.60 : 3,000,162.24 = 579,782.88 : x
  2. Step 2: Convert to fraction form
    1,999,641.60/3,000,162.24 = 579,782.88/x
  3. Step 3: Cross multiply
    1,999,641.60x = 3,000,162.24 × 579,782.88
  4. Step 4: Simplify right side
    1,999,641.60x = 1,739,442,703,974.45
  5. Step 5: Solve for x
    x = 1,739,442,703,974.45/1,999,641.60
  6. Step 6: Final answer
    x = 869,877.23

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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.