Home / 3,128,210.66-4,692,529.02-998,455.16

Finding the Fourth Proportional to 3,128,210.66, 4,692,529.02 and 998,455.16

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Solution

The fourth proportional to 3,128,210.66, 4,692,529.02 and 998,455.16 is: 1,497,750.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,210.66 : 4,692,529.02 = 998,455.16 : x
  2. Step 2: Convert to fraction form
    3,128,210.66/4,692,529.02 = 998,455.16/x
  3. Step 3: Cross multiply
    3,128,210.66x = 4,692,529.02 × 998,455.16
  4. Step 4: Simplify right side
    3,128,210.66x = 4,685,279,813,468.74
  5. Step 5: Solve for x
    x = 4,685,279,813,468.74/3,128,210.66
  6. Step 6: Final answer
    x = 1,497,750.73

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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.