Home / 2,181,421.60-3,267,875.57-1,699,392.38

Finding the Fourth Proportional to 2,181,421.60, 3,267,875.57 and 1,699,392.38

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Solution

The fourth proportional to 2,181,421.60, 3,267,875.57 and 1,699,392.38 is: 2,545,772.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,421.60 : 3,267,875.57 = 1,699,392.38 : x
  2. Step 2: Convert to fraction form
    2,181,421.60/3,267,875.57 = 1,699,392.38/x
  3. Step 3: Cross multiply
    2,181,421.60x = 3,267,875.57 × 1,699,392.38
  4. Step 4: Simplify right side
    2,181,421.60x = 5,553,402,857,887.05
  5. Step 5: Solve for x
    x = 5,553,402,857,887.05/2,181,421.60
  6. Step 6: Final answer
    x = 2,545,772.38

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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.