Home / 1,937,966.25-2,674,367.30-1,078,526.28

Finding the Fourth Proportional to 1,937,966.25, 2,674,367.30 and 1,078,526.28

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Solution

The fourth proportional to 1,937,966.25, 2,674,367.30 and 1,078,526.28 is: 1,488,351.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,966.25 : 2,674,367.30 = 1,078,526.28 : x
  2. Step 2: Convert to fraction form
    1,937,966.25/2,674,367.30 = 1,078,526.28/x
  3. Step 3: Cross multiply
    1,937,966.25x = 2,674,367.30 × 1,078,526.28
  4. Step 4: Simplify right side
    1,937,966.25x = 2,884,375,415,422.64
  5. Step 5: Solve for x
    x = 2,884,375,415,422.64/1,937,966.25
  6. Step 6: Final answer
    x = 1,488,351.73

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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.