Home / 5,385,655.59-8,078,461.25-2,190,754.77

Finding the Fourth Proportional to 5,385,655.59, 8,078,461.25 and 2,190,754.77

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Solution

The fourth proportional to 5,385,655.59, 8,078,461.25 and 2,190,754.77 is: 3,286,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,655.59 : 8,078,461.25 = 2,190,754.77 : x
  2. Step 2: Convert to fraction form
    5,385,655.59/8,078,461.25 = 2,190,754.77/x
  3. Step 3: Cross multiply
    5,385,655.59x = 8,078,461.25 × 2,190,754.77
  4. Step 4: Simplify right side
    5,385,655.59x = 17,697,927,506,743.89
  5. Step 5: Solve for x
    x = 17,697,927,506,743.89/5,385,655.59
  6. Step 6: Final answer
    x = 3,286,123.15

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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.