Home / 2,121,194.50-2,927,248.89-1,167,338.50

Finding the Fourth Proportional to 2,121,194.50, 2,927,248.89 and 1,167,338.50

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Solution

The fourth proportional to 2,121,194.50, 2,927,248.89 and 1,167,338.50 is: 1,610,927.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,194.50 : 2,927,248.89 = 1,167,338.50 : x
  2. Step 2: Convert to fraction form
    2,121,194.50/2,927,248.89 = 1,167,338.50/x
  3. Step 3: Cross multiply
    2,121,194.50x = 2,927,248.89 × 1,167,338.50
  4. Step 4: Simplify right side
    2,121,194.50x = 3,417,090,328,379.27
  5. Step 5: Solve for x
    x = 3,417,090,328,379.27/2,121,194.50
  6. Step 6: Final answer
    x = 1,610,927.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.