Home / 3,106,781.52-4,287,085.56-1,730,021.28

Finding the Fourth Proportional to 3,106,781.52, 4,287,085.56 and 1,730,021.28

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Solution

The fourth proportional to 3,106,781.52, 4,287,085.56 and 1,730,021.28 is: 2,387,277.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106,781.52 : 4,287,085.56 = 1,730,021.28 : x
  2. Step 2: Convert to fraction form
    3,106,781.52/4,287,085.56 = 1,730,021.28/x
  3. Step 3: Cross multiply
    3,106,781.52x = 4,287,085.56 × 1,730,021.28
  4. Step 4: Simplify right side
    3,106,781.52x = 7,416,749,247,980.72
  5. Step 5: Solve for x
    x = 7,416,749,247,980.72/3,106,781.52
  6. Step 6: Final answer
    x = 2,387,277.38

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1.5x scale

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.