Home / 6,474,946.60-9,712,419.90-1,986,639.40

Finding the Fourth Proportional to 6,474,946.60, 9,712,419.90 and 1,986,639.40

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Solution

The fourth proportional to 6,474,946.60, 9,712,419.90 and 1,986,639.40 is: 2,979,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474,946.60 : 9,712,419.90 = 1,986,639.40 : x
  2. Step 2: Convert to fraction form
    6,474,946.60/9,712,419.90 = 1,986,639.40/x
  3. Step 3: Cross multiply
    6,474,946.60x = 9,712,419.90 × 1,986,639.40
  4. Step 4: Simplify right side
    6,474,946.60x = 19,295,076,042,684.06
  5. Step 5: Solve for x
    x = 19,295,076,042,684.06/6,474,946.60
  6. Step 6: Final answer
    x = 2,979,959.10

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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.