Home / 5,189,210.12-7,161,552.78-2,897,813.68

Finding the Fourth Proportional to 5,189,210.12, 7,161,552.78 and 2,897,813.68

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Solution

The fourth proportional to 5,189,210.12, 7,161,552.78 and 2,897,813.68 is: 3,999,230.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,210.12 : 7,161,552.78 = 2,897,813.68 : x
  2. Step 2: Convert to fraction form
    5,189,210.12/7,161,552.78 = 2,897,813.68/x
  3. Step 3: Cross multiply
    5,189,210.12x = 7,161,552.78 × 2,897,813.68
  4. Step 4: Simplify right side
    5,189,210.12x = 20,752,845,615,926.03
  5. Step 5: Solve for x
    x = 20,752,845,615,926.03/5,189,210.12
  6. Step 6: Final answer
    x = 3,999,230.16

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Double scale
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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.