Home / 5,424,189.50-7,484,886-3,218,671.49

Finding the Fourth Proportional to 5,424,189.50, 7,484,886 and 3,218,671.49

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Solution

The fourth proportional to 5,424,189.50, 7,484,886 and 3,218,671.49 is: 4,441,472.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424,189.50 : 7,484,886 = 3,218,671.49 : x
  2. Step 2: Convert to fraction form
    5,424,189.50/7,484,886 = 3,218,671.49/x
  3. Step 3: Cross multiply
    5,424,189.50x = 7,484,886 × 3,218,671.49
  4. Step 4: Simplify right side
    5,424,189.50x = 24,091,389,136,675.71
  5. Step 5: Solve for x
    x = 24,091,389,136,675.71/5,424,189.50
  6. Step 6: Final answer
    x = 4,441,472.62

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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.