Home / 5,455,384.47-8,182,780.07-1,668,867.35

Finding the Fourth Proportional to 5,455,384.47, 8,182,780.07 and 1,668,867.35

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Solution

The fourth proportional to 5,455,384.47, 8,182,780.07 and 1,668,867.35 is: 2,503,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455,384.47 : 8,182,780.07 = 1,668,867.35 : x
  2. Step 2: Convert to fraction form
    5,455,384.47/8,182,780.07 = 1,668,867.35/x
  3. Step 3: Cross multiply
    5,455,384.47x = 8,182,780.07 × 1,668,867.35
  4. Step 4: Simplify right side
    5,455,384.47x = 13,655,974,441,795.48
  5. Step 5: Solve for x
    x = 13,655,974,441,795.48/5,455,384.47
  6. Step 6: Final answer
    x = 2,503,210.27

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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.