Home / 2,191,862.04-3,288,058.74-771,627.48

Finding the Fourth Proportional to 2,191,862.04, 3,288,058.74 and 771,627.48

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Solution

The fourth proportional to 2,191,862.04, 3,288,058.74 and 771,627.48 is: 1,157,534.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,862.04 : 3,288,058.74 = 771,627.48 : x
  2. Step 2: Convert to fraction form
    2,191,862.04/3,288,058.74 = 771,627.48/x
  3. Step 3: Cross multiply
    2,191,862.04x = 3,288,058.74 × 771,627.48
  4. Step 4: Simplify right side
    2,191,862.04x = 2,537,156,479,638.18
  5. Step 5: Solve for x
    x = 2,537,156,479,638.18/2,191,862.04
  6. Step 6: Final answer
    x = 1,157,534.75

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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.