Home / 1,897,721.64-2,619,938.52-1,255,006.08

Finding the Fourth Proportional to 1,897,721.64, 2,619,938.52 and 1,255,006.08

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Solution

The fourth proportional to 1,897,721.64, 2,619,938.52 and 1,255,006.08 is: 1,732,624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,721.64 : 2,619,938.52 = 1,255,006.08 : x
  2. Step 2: Convert to fraction form
    1,897,721.64/2,619,938.52 = 1,255,006.08/x
  3. Step 3: Cross multiply
    1,897,721.64x = 2,619,938.52 × 1,255,006.08
  4. Step 4: Simplify right side
    1,897,721.64x = 3,288,038,771,826.20
  5. Step 5: Solve for x
    x = 3,288,038,771,826.20/1,897,721.64
  6. Step 6: Final answer
    x = 1,732,624.38

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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.