Home / 1,650,686.51-2,277,109.00-1,078,061.87

Finding the Fourth Proportional to 1,650,686.51, 2,277,109.00 and 1,078,061.87

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Solution

The fourth proportional to 1,650,686.51, 2,277,109.00 and 1,078,061.87 is: 1,487,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,686.51 : 2,277,109.00 = 1,078,061.87 : x
  2. Step 2: Convert to fraction form
    1,650,686.51/2,277,109.00 = 1,078,061.87/x
  3. Step 3: Cross multiply
    1,650,686.51x = 2,277,109.00 × 1,078,061.87
  4. Step 4: Simplify right side
    1,650,686.51x = 2,454,864,395,121.76
  5. Step 5: Solve for x
    x = 2,454,864,395,121.76/1,650,686.51
  6. Step 6: Final answer
    x = 1,487,177.84

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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.