Home / 3,543,416.20-5,315,124.30-1,018,923.40

Finding the Fourth Proportional to 3,543,416.20, 5,315,124.30 and 1,018,923.40

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Solution

The fourth proportional to 3,543,416.20, 5,315,124.30 and 1,018,923.40 is: 1,528,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543,416.20 : 5,315,124.30 = 1,018,923.40 : x
  2. Step 2: Convert to fraction form
    3,543,416.20/5,315,124.30 = 1,018,923.40/x
  3. Step 3: Cross multiply
    3,543,416.20x = 5,315,124.30 × 1,018,923.40
  4. Step 4: Simplify right side
    3,543,416.20x = 5,415,704,523,178.62
  5. Step 5: Solve for x
    x = 5,415,704,523,178.62/3,543,416.20
  6. Step 6: Final answer
    x = 1,528,385.10

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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.