Home / 1,955,415.80-2,933,123.70-1,640,487.80

Finding the Fourth Proportional to 1,955,415.80, 2,933,123.70 and 1,640,487.80

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Solution

The fourth proportional to 1,955,415.80, 2,933,123.70 and 1,640,487.80 is: 2,460,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,415.80 : 2,933,123.70 = 1,640,487.80 : x
  2. Step 2: Convert to fraction form
    1,955,415.80/2,933,123.70 = 1,640,487.80/x
  3. Step 3: Cross multiply
    1,955,415.80x = 2,933,123.70 × 1,640,487.80
  4. Step 4: Simplify right side
    1,955,415.80x = 4,811,753,645,740.86
  5. Step 5: Solve for x
    x = 4,811,753,645,740.86/1,955,415.80
  6. Step 6: Final answer
    x = 2,460,731.70

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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.