Home / 2,190,373.98-3,022,726.62-1,223,545.02

Finding the Fourth Proportional to 2,190,373.98, 3,022,726.62 and 1,223,545.02

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Solution

The fourth proportional to 2,190,373.98, 3,022,726.62 and 1,223,545.02 is: 1,688,498.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,373.98 : 3,022,726.62 = 1,223,545.02 : x
  2. Step 2: Convert to fraction form
    2,190,373.98/3,022,726.62 = 1,223,545.02/x
  3. Step 3: Cross multiply
    2,190,373.98x = 3,022,726.62 × 1,223,545.02
  4. Step 4: Simplify right side
    2,190,373.98x = 3,698,442,102,722.43
  5. Step 5: Solve for x
    x = 3,698,442,102,722.43/2,190,373.98
  6. Step 6: Final answer
    x = 1,688,498.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.