Home / 1,719,077.60-2,578,616.40-1,572,111.20

Finding the Fourth Proportional to 1,719,077.60, 2,578,616.40 and 1,572,111.20

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Solution

The fourth proportional to 1,719,077.60, 2,578,616.40 and 1,572,111.20 is: 2,358,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,077.60 : 2,578,616.40 = 1,572,111.20 : x
  2. Step 2: Convert to fraction form
    1,719,077.60/2,578,616.40 = 1,572,111.20/x
  3. Step 3: Cross multiply
    1,719,077.60x = 2,578,616.40 × 1,572,111.20
  4. Step 4: Simplify right side
    1,719,077.60x = 4,053,871,722,943.68
  5. Step 5: Solve for x
    x = 4,053,871,722,943.68/1,719,077.60
  6. Step 6: Final answer
    x = 2,358,166.80

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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.