Home / 1,909,132.16-2,634,612.30-1,049,747.78

Finding the Fourth Proportional to 1,909,132.16, 2,634,612.30 and 1,049,747.78

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Solution

The fourth proportional to 1,909,132.16, 2,634,612.30 and 1,049,747.78 is: 1,448,657.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,132.16 : 2,634,612.30 = 1,049,747.78 : x
  2. Step 2: Convert to fraction form
    1,909,132.16/2,634,612.30 = 1,049,747.78/x
  3. Step 3: Cross multiply
    1,909,132.16x = 2,634,612.30 × 1,049,747.78
  4. Step 4: Simplify right side
    1,909,132.16x = 2,765,678,413,085.69
  5. Step 5: Solve for x
    x = 2,765,678,413,085.69/1,909,132.16
  6. Step 6: Final answer
    x = 1,448,657.39

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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.