Home / 2,116,230.95-2,921,290.47-1,428,832.92

Finding the Fourth Proportional to 2,116,230.95, 2,921,290.47 and 1,428,832.92

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Solution

The fourth proportional to 2,116,230.95, 2,921,290.47 and 1,428,832.92 is: 1,972,391.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,230.95 : 2,921,290.47 = 1,428,832.92 : x
  2. Step 2: Convert to fraction form
    2,116,230.95/2,921,290.47 = 1,428,832.92/x
  3. Step 3: Cross multiply
    2,116,230.95x = 2,921,290.47 × 1,428,832.92
  4. Step 4: Simplify right side
    2,116,230.95x = 4,174,036,003,373.11
  5. Step 5: Solve for x
    x = 4,174,036,003,373.11/2,116,230.95
  6. Step 6: Final answer
    x = 1,972,391.53

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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.