Home / 4,747,885.77-7,121,837.57-1,153,655.76

Finding the Fourth Proportional to 4,747,885.77, 7,121,837.57 and 1,153,655.76

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Solution

The fourth proportional to 4,747,885.77, 7,121,837.57 and 1,153,655.76 is: 1,730,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747,885.77 : 7,121,837.57 = 1,153,655.76 : x
  2. Step 2: Convert to fraction form
    4,747,885.77/7,121,837.57 = 1,153,655.76/x
  3. Step 3: Cross multiply
    4,747,885.77x = 7,121,837.57 × 1,153,655.76
  4. Step 4: Simplify right side
    4,747,885.77x = 8,216,148,928,646.63
  5. Step 5: Solve for x
    x = 8,216,148,928,646.63/4,747,885.77
  6. Step 6: Final answer
    x = 1,730,485.80

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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.