Home / 1,554,811.61-2,144,906.93-909,836.15

Finding the Fourth Proportional to 1,554,811.61, 2,144,906.93 and 909,836.15

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Solution

The fourth proportional to 1,554,811.61, 2,144,906.93 and 909,836.15 is: 1,255,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,811.61 : 2,144,906.93 = 909,836.15 : x
  2. Step 2: Convert to fraction form
    1,554,811.61/2,144,906.93 = 909,836.15/x
  3. Step 3: Cross multiply
    1,554,811.61x = 2,144,906.93 × 909,836.15
  4. Step 4: Simplify right side
    1,554,811.61x = 1,951,513,854,849.58
  5. Step 5: Solve for x
    x = 1,951,513,854,849.58/1,554,811.61
  6. Step 6: Final answer
    x = 1,255,144.90

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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.