Home / 5,575,665.51-8,363,498.70-1,981,574.30

Finding the Fourth Proportional to 5,575,665.51, 8,363,498.70 and 1,981,574.30

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Solution

The fourth proportional to 5,575,665.51, 8,363,498.70 and 1,981,574.30 is: 2,972,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575,665.51 : 8,363,498.70 = 1,981,574.30 : x
  2. Step 2: Convert to fraction form
    5,575,665.51/8,363,498.70 = 1,981,574.30/x
  3. Step 3: Cross multiply
    5,575,665.51x = 8,363,498.70 × 1,981,574.30
  4. Step 4: Simplify right side
    5,575,665.51x = 16,572,894,082,003.41
  5. Step 5: Solve for x
    x = 16,572,894,082,003.41/5,575,665.51
  6. Step 6: Final answer
    x = 2,972,361.60

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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.