Home / 2,678,854.23-3,695,346.45-1,696,995.12

Finding the Fourth Proportional to 2,678,854.23, 3,695,346.45 and 1,696,995.12

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Solution

The fourth proportional to 2,678,854.23, 3,695,346.45 and 1,696,995.12 is: 2,340,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,854.23 : 3,695,346.45 = 1,696,995.12 : x
  2. Step 2: Convert to fraction form
    2,678,854.23/3,695,346.45 = 1,696,995.12/x
  3. Step 3: Cross multiply
    2,678,854.23x = 3,695,346.45 × 1,696,995.12
  4. Step 4: Simplify right side
    2,678,854.23x = 6,270,984,892,359.33
  5. Step 5: Solve for x
    x = 6,270,984,892,359.33/2,678,854.23
  6. Step 6: Final answer
    x = 2,340,920.54

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1.5x scale

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.