Home / 6,249,076.20-9,374,132.70-1,989,124.20

Finding the Fourth Proportional to 6,249,076.20, 9,374,132.70 and 1,989,124.20

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Solution

The fourth proportional to 6,249,076.20, 9,374,132.70 and 1,989,124.20 is: 2,983,851.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249,076.20 : 9,374,132.70 = 1,989,124.20 : x
  2. Step 2: Convert to fraction form
    6,249,076.20/9,374,132.70 = 1,989,124.20/x
  3. Step 3: Cross multiply
    6,249,076.20x = 9,374,132.70 × 1,989,124.20
  4. Step 4: Simplify right side
    6,249,076.20x = 18,646,314,207,581.34
  5. Step 5: Solve for x
    x = 18,646,314,207,581.34/6,249,076.20
  6. Step 6: Final answer
    x = 2,983,851.31

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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.