Home / 1,918,784.28-2,877,913.80-571,154.88

Finding the Fourth Proportional to 1,918,784.28, 2,877,913.80 and 571,154.88

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Solution

The fourth proportional to 1,918,784.28, 2,877,913.80 and 571,154.88 is: 856,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,784.28 : 2,877,913.80 = 571,154.88 : x
  2. Step 2: Convert to fraction form
    1,918,784.28/2,877,913.80 = 571,154.88/x
  3. Step 3: Cross multiply
    1,918,784.28x = 2,877,913.80 × 571,154.88
  4. Step 4: Simplify right side
    1,918,784.28x = 1,643,734,511,089.34
  5. Step 5: Solve for x
    x = 1,643,734,511,089.34/1,918,784.28
  6. Step 6: Final answer
    x = 856,654.15

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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.