Home / 4,921,632.80-7,377,200.40-1,887,826.40

Finding the Fourth Proportional to 4,921,632.80, 7,377,200.40 and 1,887,826.40

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Solution

The fourth proportional to 4,921,632.80, 7,377,200.40 and 1,887,826.40 is: 2,829,726.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,632.80 : 7,377,200.40 = 1,887,826.40 : x
  2. Step 2: Convert to fraction form
    4,921,632.80/7,377,200.40 = 1,887,826.40/x
  3. Step 3: Cross multiply
    4,921,632.80x = 7,377,200.40 × 1,887,826.40
  4. Step 4: Simplify right side
    4,921,632.80x = 13,926,873,673,210.56
  5. Step 5: Solve for x
    x = 13,926,873,673,210.56/4,921,632.80
  6. Step 6: Final answer
    x = 2,829,726.28

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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.