Home / 5,639,188.42-7,781,870.64-3,060,813.70

Finding the Fourth Proportional to 5,639,188.42, 7,781,870.64 and 3,060,813.70

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Solution

The fourth proportional to 5,639,188.42, 7,781,870.64 and 3,060,813.70 is: 4,223,809.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639,188.42 : 7,781,870.64 = 3,060,813.70 : x
  2. Step 2: Convert to fraction form
    5,639,188.42/7,781,870.64 = 3,060,813.70/x
  3. Step 3: Cross multiply
    5,639,188.42x = 7,781,870.64 × 3,060,813.70
  4. Step 4: Simplify right side
    5,639,188.42x = 23,818,856,266,539.77
  5. Step 5: Solve for x
    x = 23,818,856,266,539.77/5,639,188.42
  6. Step 6: Final answer
    x = 4,223,809.26

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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.