Home / 2,109,248.48-3,163,219.71-761,240.46

Finding the Fourth Proportional to 2,109,248.48, 3,163,219.71 and 761,240.46

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Solution

The fourth proportional to 2,109,248.48, 3,163,219.71 and 761,240.46 is: 1,141,625.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,248.48 : 3,163,219.71 = 761,240.46 : x
  2. Step 2: Convert to fraction form
    2,109,248.48/3,163,219.71 = 761,240.46/x
  3. Step 3: Cross multiply
    2,109,248.48x = 3,163,219.71 × 761,240.46
  4. Step 4: Simplify right side
    2,109,248.48x = 2,407,970,827,121.47
  5. Step 5: Solve for x
    x = 2,407,970,827,121.47/2,109,248.48
  6. Step 6: Final answer
    x = 1,141,625.02

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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.