Home / 2,124,169.40-3,185,811.30-776,966.60

Finding the Fourth Proportional to 2,124,169.40, 3,185,811.30 and 776,966.60

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Solution

The fourth proportional to 2,124,169.40, 3,185,811.30 and 776,966.60 is: 1,165,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,169.40 : 3,185,811.30 = 776,966.60 : x
  2. Step 2: Convert to fraction form
    2,124,169.40/3,185,811.30 = 776,966.60/x
  3. Step 3: Cross multiply
    2,124,169.40x = 3,185,811.30 × 776,966.60
  4. Step 4: Simplify right side
    2,124,169.40x = 2,475,268,974,002.58
  5. Step 5: Solve for x
    x = 2,475,268,974,002.58/2,124,169.40
  6. Step 6: Final answer
    x = 1,165,287.94

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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.