Home / 1,587,861.36-2,191,595.13-976,540.05

Finding the Fourth Proportional to 1,587,861.36, 2,191,595.13 and 976,540.05

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Solution

The fourth proportional to 1,587,861.36, 2,191,595.13 and 976,540.05 is: 1,347,838.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,861.36 : 2,191,595.13 = 976,540.05 : x
  2. Step 2: Convert to fraction form
    1,587,861.36/2,191,595.13 = 976,540.05/x
  3. Step 3: Cross multiply
    1,587,861.36x = 2,191,595.13 × 976,540.05
  4. Step 4: Simplify right side
    1,587,861.36x = 2,140,180,417,829.96
  5. Step 5: Solve for x
    x = 2,140,180,417,829.96/1,587,861.36
  6. Step 6: Final answer
    x = 1,347,838.34

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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.