Home / 2,153,180.90-2,971,443.13-1,325,941.31

Finding the Fourth Proportional to 2,153,180.90, 2,971,443.13 and 1,325,941.31

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Solution

The fourth proportional to 2,153,180.90, 2,971,443.13 and 1,325,941.31 is: 1,829,831.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,180.90 : 2,971,443.13 = 1,325,941.31 : x
  2. Step 2: Convert to fraction form
    2,153,180.90/2,971,443.13 = 1,325,941.31/x
  3. Step 3: Cross multiply
    2,153,180.90x = 2,971,443.13 × 1,325,941.31
  4. Step 4: Simplify right side
    2,153,180.90x = 3,939,959,207,954.88
  5. Step 5: Solve for x
    x = 3,939,959,207,954.88/2,153,180.90
  6. Step 6: Final answer
    x = 1,829,831.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.