Home / 3,885,478.78-5,828,919.45-1,756,565.50

Finding the Fourth Proportional to 3,885,478.78, 5,828,919.45 and 1,756,565.50

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Solution

The fourth proportional to 3,885,478.78, 5,828,919.45 and 1,756,565.50 is: 2,635,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,478.78 : 5,828,919.45 = 1,756,565.50 : x
  2. Step 2: Convert to fraction form
    3,885,478.78/5,828,919.45 = 1,756,565.50/x
  3. Step 3: Cross multiply
    3,885,478.78x = 5,828,919.45 × 1,756,565.50
  4. Step 4: Simplify right side
    3,885,478.78x = 10,238,878,786,989.56
  5. Step 5: Solve for x
    x = 10,238,878,786,989.56/3,885,478.78
  6. Step 6: Final answer
    x = 2,635,165.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.