Home / 2,158,555.92-3,237,269.70-641,830.38

Finding the Fourth Proportional to 2,158,555.92, 3,237,269.70 and 641,830.38

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Solution

The fourth proportional to 2,158,555.92, 3,237,269.70 and 641,830.38 is: 962,577.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,555.92 : 3,237,269.70 = 641,830.38 : x
  2. Step 2: Convert to fraction form
    2,158,555.92/3,237,269.70 = 641,830.38/x
  3. Step 3: Cross multiply
    2,158,555.92x = 3,237,269.70 × 641,830.38
  4. Step 4: Simplify right side
    2,158,555.92x = 2,077,778,041,713.49
  5. Step 5: Solve for x
    x = 2,077,778,041,713.49/2,158,555.92
  6. Step 6: Final answer
    x = 962,577.82

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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.