Home / 1,941,360.16-2,910,159.40-742,359.28

Finding the Fourth Proportional to 1,941,360.16, 2,910,159.40 and 742,359.28

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Solution

The fourth proportional to 1,941,360.16, 2,910,159.40 and 742,359.28 is: 1,112,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,360.16 : 2,910,159.40 = 742,359.28 : x
  2. Step 2: Convert to fraction form
    1,941,360.16/2,910,159.40 = 742,359.28/x
  3. Step 3: Cross multiply
    1,941,360.16x = 2,910,159.40 × 742,359.28
  4. Step 4: Simplify right side
    1,941,360.16x = 2,160,383,836,869.23
  5. Step 5: Solve for x
    x = 2,160,383,836,869.23/1,941,360.16
  6. Step 6: Final answer
    x = 1,112,819.70

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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.