Home / 1,930,490.04-2,664,040.80-1,071,031.86

Finding the Fourth Proportional to 1,930,490.04, 2,664,040.80 and 1,071,031.86

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Solution

The fourth proportional to 1,930,490.04, 2,664,040.80 and 1,071,031.86 is: 1,478,004.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,490.04 : 2,664,040.80 = 1,071,031.86 : x
  2. Step 2: Convert to fraction form
    1,930,490.04/2,664,040.80 = 1,071,031.86/x
  3. Step 3: Cross multiply
    1,930,490.04x = 2,664,040.80 × 1,071,031.86
  4. Step 4: Simplify right side
    1,930,490.04x = 2,853,272,573,139.89
  5. Step 5: Solve for x
    x = 2,853,272,573,139.89/1,930,490.04
  6. Step 6: Final answer
    x = 1,478,004.30

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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.