Home / 5,343,722.70-8,015,584.05-1,300,178.40

Finding the Fourth Proportional to 5,343,722.70, 8,015,584.05 and 1,300,178.40

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Solution

The fourth proportional to 5,343,722.70, 8,015,584.05 and 1,300,178.40 is: 1,950,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343,722.70 : 8,015,584.05 = 1,300,178.40 : x
  2. Step 2: Convert to fraction form
    5,343,722.70/8,015,584.05 = 1,300,178.40/x
  3. Step 3: Cross multiply
    5,343,722.70x = 8,015,584.05 × 1,300,178.40
  4. Step 4: Simplify right side
    5,343,722.70x = 10,421,689,245,194.52
  5. Step 5: Solve for x
    x = 10,421,689,245,194.52/5,343,722.70
  6. Step 6: Final answer
    x = 1,950,267.60

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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.