Home / 2,917,570.08-4,023,072.72-1,897,082.40

Finding the Fourth Proportional to 2,917,570.08, 4,023,072.72 and 1,897,082.40

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Solution

The fourth proportional to 2,917,570.08, 4,023,072.72 and 1,897,082.40 is: 2,615,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917,570.08 : 4,023,072.72 = 1,897,082.40 : x
  2. Step 2: Convert to fraction form
    2,917,570.08/4,023,072.72 = 1,897,082.40/x
  3. Step 3: Cross multiply
    2,917,570.08x = 4,023,072.72 × 1,897,082.40
  4. Step 4: Simplify right side
    2,917,570.08x = 7,632,100,451,032.13
  5. Step 5: Solve for x
    x = 7,632,100,451,032.13/2,917,570.08
  6. Step 6: Final answer
    x = 2,615,909.90

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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.