Home / 2,712,389.40-4,073,249.70-1,919,237.40

Finding the Fourth Proportional to 2,712,389.40, 4,073,249.70 and 1,919,237.40

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Solution

The fourth proportional to 2,712,389.40, 4,073,249.70 and 1,919,237.40 is: 2,882,157.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,389.40 : 4,073,249.70 = 1,919,237.40 : x
  2. Step 2: Convert to fraction form
    2,712,389.40/4,073,249.70 = 1,919,237.40/x
  3. Step 3: Cross multiply
    2,712,389.40x = 4,073,249.70 × 1,919,237.40
  4. Step 4: Simplify right side
    2,712,389.40x = 7,817,533,163,778.78
  5. Step 5: Solve for x
    x = 7,817,533,163,778.78/2,712,389.40
  6. Step 6: Final answer
    x = 2,882,157.39

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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.