Home / 2,153,500.40-2,971,963.20-1,186,630.52

Finding the Fourth Proportional to 2,153,500.40, 2,971,963.20 and 1,186,630.52

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Solution

The fourth proportional to 2,153,500.40, 2,971,963.20 and 1,186,630.52 is: 1,637,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,500.40 : 2,971,963.20 = 1,186,630.52 : x
  2. Step 2: Convert to fraction form
    2,153,500.40/2,971,963.20 = 1,186,630.52/x
  3. Step 3: Cross multiply
    2,153,500.40x = 2,971,963.20 × 1,186,630.52
  4. Step 4: Simplify right side
    2,153,500.40x = 3,526,622,237,436.86
  5. Step 5: Solve for x
    x = 3,526,622,237,436.86/2,153,500.40
  6. Step 6: Final answer
    x = 1,637,623.21

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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.