Home / 1,736,781.80-2,605,172.70-1,615,130.60

Finding the Fourth Proportional to 1,736,781.80, 2,605,172.70 and 1,615,130.60

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Solution

The fourth proportional to 1,736,781.80, 2,605,172.70 and 1,615,130.60 is: 2,422,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736,781.80 : 2,605,172.70 = 1,615,130.60 : x
  2. Step 2: Convert to fraction form
    1,736,781.80/2,605,172.70 = 1,615,130.60/x
  3. Step 3: Cross multiply
    1,736,781.80x = 2,605,172.70 × 1,615,130.60
  4. Step 4: Simplify right side
    1,736,781.80x = 4,207,694,146,054.62
  5. Step 5: Solve for x
    x = 4,207,694,146,054.62/1,736,781.80
  6. Step 6: Final answer
    x = 2,422,695.90

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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.