Home / 5,785,299.80-8,671,831.30-2,139,686.82

Finding the Fourth Proportional to 5,785,299.80, 8,671,831.30 and 2,139,686.82

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Solution

The fourth proportional to 5,785,299.80, 8,671,831.30 and 2,139,686.82 is: 3,207,267.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785,299.80 : 8,671,831.30 = 2,139,686.82 : x
  2. Step 2: Convert to fraction form
    5,785,299.80/8,671,831.30 = 2,139,686.82/x
  3. Step 3: Cross multiply
    5,785,299.80x = 8,671,831.30 × 2,139,686.82
  4. Step 4: Simplify right side
    5,785,299.80x = 18,555,003,137,873.46
  5. Step 5: Solve for x
    x = 18,555,003,137,873.46/5,785,299.80
  6. Step 6: Final answer
    x = 3,207,267.35

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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.