Home / 1,881,991.12-2,592,398.88-1,518,397.52

Finding the Fourth Proportional to 1,881,991.12, 2,592,398.88 and 1,518,397.52

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Solution

The fourth proportional to 1,881,991.12, 2,592,398.88 and 1,518,397.52 is: 2,091,557.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,991.12 : 2,592,398.88 = 1,518,397.52 : x
  2. Step 2: Convert to fraction form
    1,881,991.12/2,592,398.88 = 1,518,397.52/x
  3. Step 3: Cross multiply
    1,881,991.12x = 2,592,398.88 × 1,518,397.52
  4. Step 4: Simplify right side
    1,881,991.12x = 3,936,292,030,242.78
  5. Step 5: Solve for x
    x = 3,936,292,030,242.78/1,881,991.12
  6. Step 6: Final answer
    x = 2,091,557.17

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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.