Home / 1,890,561.30-2,837,685.15-944,999.70

Finding the Fourth Proportional to 1,890,561.30, 2,837,685.15 and 944,999.70

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Solution

The fourth proportional to 1,890,561.30, 2,837,685.15 and 944,999.70 is: 1,418,420.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,561.30 : 2,837,685.15 = 944,999.70 : x
  2. Step 2: Convert to fraction form
    1,890,561.30/2,837,685.15 = 944,999.70/x
  3. Step 3: Cross multiply
    1,890,561.30x = 2,837,685.15 × 944,999.70
  4. Step 4: Simplify right side
    1,890,561.30x = 2,681,611,615,444.45
  5. Step 5: Solve for x
    x = 2,681,611,615,444.45/1,890,561.30
  6. Step 6: Final answer
    x = 1,418,420.88

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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.