Home / 3,637,693.12-5,020,984.70-2,148,849.16

Finding the Fourth Proportional to 3,637,693.12, 5,020,984.70 and 2,148,849.16

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Solution

The fourth proportional to 3,637,693.12, 5,020,984.70 and 2,148,849.16 is: 2,965,983.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637,693.12 : 5,020,984.70 = 2,148,849.16 : x
  2. Step 2: Convert to fraction form
    3,637,693.12/5,020,984.70 = 2,148,849.16/x
  3. Step 3: Cross multiply
    3,637,693.12x = 5,020,984.70 × 2,148,849.16
  4. Step 4: Simplify right side
    3,637,693.12x = 10,789,338,754,967.85
  5. Step 5: Solve for x
    x = 10,789,338,754,967.85/3,637,693.12
  6. Step 6: Final answer
    x = 2,965,983.77

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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.