Home / 1,805,434.86-2,490,047.32-1,587,176.88

Finding the Fourth Proportional to 1,805,434.86, 2,490,047.32 and 1,587,176.88

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Solution

The fourth proportional to 1,805,434.86, 2,490,047.32 and 1,587,176.88 is: 2,189,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,434.86 : 2,490,047.32 = 1,587,176.88 : x
  2. Step 2: Convert to fraction form
    1,805,434.86/2,490,047.32 = 1,587,176.88/x
  3. Step 3: Cross multiply
    1,805,434.86x = 2,490,047.32 × 1,587,176.88
  4. Step 4: Simplify right side
    1,805,434.86x = 3,952,145,536,409.96
  5. Step 5: Solve for x
    x = 3,952,145,536,409.96/1,805,434.86
  6. Step 6: Final answer
    x = 2,189,026.93

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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.