Home / 1,532,488.77-2,112,625.08-1,072,177.20

Finding the Fourth Proportional to 1,532,488.77, 2,112,625.08 and 1,072,177.20

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Solution

The fourth proportional to 1,532,488.77, 2,112,625.08 and 1,072,177.20 is: 1,478,058.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,488.77 : 2,112,625.08 = 1,072,177.20 : x
  2. Step 2: Convert to fraction form
    1,532,488.77/2,112,625.08 = 1,072,177.20/x
  3. Step 3: Cross multiply
    1,532,488.77x = 2,112,625.08 × 1,072,177.20
  4. Step 4: Simplify right side
    1,532,488.77x = 2,265,108,442,924.18
  5. Step 5: Solve for x
    x = 2,265,108,442,924.18/1,532,488.77
  6. Step 6: Final answer
    x = 1,478,058.75

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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.