Home / 3,559,967.61-4,912,778.90-1,928,374.98

Finding the Fourth Proportional to 3,559,967.61, 4,912,778.90 and 1,928,374.98

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Solution

The fourth proportional to 3,559,967.61, 4,912,778.90 and 1,928,374.98 is: 2,661,170.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559,967.61 : 4,912,778.90 = 1,928,374.98 : x
  2. Step 2: Convert to fraction form
    3,559,967.61/4,912,778.90 = 1,928,374.98/x
  3. Step 3: Cross multiply
    3,559,967.61x = 4,912,778.90 × 1,928,374.98
  4. Step 4: Simplify right side
    3,559,967.61x = 9,473,679,903,390.05
  5. Step 5: Solve for x
    x = 9,473,679,903,390.05/3,559,967.61
  6. Step 6: Final answer
    x = 2,661,170.25

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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.