Home / 6,190,792.90-9,278,316.15-5,513,697.70

Finding the Fourth Proportional to 6,190,792.90, 9,278,316.15 and 5,513,697.70

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Solution

The fourth proportional to 6,190,792.90, 9,278,316.15 and 5,513,697.70 is: 8,263,534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190,792.90 : 9,278,316.15 = 5,513,697.70 : x
  2. Step 2: Convert to fraction form
    6,190,792.90/9,278,316.15 = 5,513,697.70/x
  3. Step 3: Cross multiply
    6,190,792.90x = 9,278,316.15 × 5,513,697.70
  4. Step 4: Simplify right side
    6,190,792.90x = 51,157,830,416,127.86
  5. Step 5: Solve for x
    x = 51,157,830,416,127.86/6,190,792.90
  6. Step 6: Final answer
    x = 8,263,534.45

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1.5x scale

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.