Home / 2,078,306.16-2,868,004.44-1,172,972.40

Finding the Fourth Proportional to 2,078,306.16, 2,868,004.44 and 1,172,972.40

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Solution

The fourth proportional to 2,078,306.16, 2,868,004.44 and 1,172,972.40 is: 1,618,669.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,306.16 : 2,868,004.44 = 1,172,972.40 : x
  2. Step 2: Convert to fraction form
    2,078,306.16/2,868,004.44 = 1,172,972.40/x
  3. Step 3: Cross multiply
    2,078,306.16x = 2,868,004.44 × 1,172,972.40
  4. Step 4: Simplify right side
    2,078,306.16x = 3,364,090,051,197.46
  5. Step 5: Solve for x
    x = 3,364,090,051,197.46/2,078,306.16
  6. Step 6: Final answer
    x = 1,618,669.14

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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.