Home / 3,490,386.39-5,235,801.02-1,692,787.21

Finding the Fourth Proportional to 3,490,386.39, 5,235,801.02 and 1,692,787.21

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Solution

The fourth proportional to 3,490,386.39, 5,235,801.02 and 1,692,787.21 is: 2,539,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490,386.39 : 5,235,801.02 = 1,692,787.21 : x
  2. Step 2: Convert to fraction form
    3,490,386.39/5,235,801.02 = 1,692,787.21/x
  3. Step 3: Cross multiply
    3,490,386.39x = 5,235,801.02 × 1,692,787.21
  4. Step 4: Simplify right side
    3,490,386.39x = 8,863,096,985,555.47
  5. Step 5: Solve for x
    x = 8,863,096,985,555.47/3,490,386.39
  6. Step 6: Final answer
    x = 2,539,288.20

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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.