Home / 1,566,519.60-2,161,634.44-921,901.36

Finding the Fourth Proportional to 1,566,519.60, 2,161,634.44 and 921,901.36

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Solution

The fourth proportional to 1,566,519.60, 2,161,634.44 and 921,901.36 is: 1,272,128.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,519.60 : 2,161,634.44 = 921,901.36 : x
  2. Step 2: Convert to fraction form
    1,566,519.60/2,161,634.44 = 921,901.36/x
  3. Step 3: Cross multiply
    1,566,519.60x = 2,161,634.44 × 921,901.36
  4. Step 4: Simplify right side
    1,566,519.60x = 1,992,813,730,058.84
  5. Step 5: Solve for x
    x = 1,992,813,730,058.84/1,566,519.60
  6. Step 6: Final answer
    x = 1,272,128.18

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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.