Home / 2,581,123.60-3,871,685.40-784,003.60

Finding the Fourth Proportional to 2,581,123.60, 3,871,685.40 and 784,003.60

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Solution

The fourth proportional to 2,581,123.60, 3,871,685.40 and 784,003.60 is: 1,176,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581,123.60 : 3,871,685.40 = 784,003.60 : x
  2. Step 2: Convert to fraction form
    2,581,123.60/3,871,685.40 = 784,003.60/x
  3. Step 3: Cross multiply
    2,581,123.60x = 3,871,685.40 × 784,003.60
  4. Step 4: Simplify right side
    2,581,123.60x = 3,035,415,291,667.44
  5. Step 5: Solve for x
    x = 3,035,415,291,667.44/2,581,123.60
  6. Step 6: Final answer
    x = 1,176,005.40

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Similar ratio
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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.