Home / 2,287,802.80-3,155,856.15-1,426,868.38

Finding the Fourth Proportional to 2,287,802.80, 3,155,856.15 and 1,426,868.38

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Solution

The fourth proportional to 2,287,802.80, 3,155,856.15 and 1,426,868.38 is: 1,968,260.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,802.80 : 3,155,856.15 = 1,426,868.38 : x
  2. Step 2: Convert to fraction form
    2,287,802.80/3,155,856.15 = 1,426,868.38/x
  3. Step 3: Cross multiply
    2,287,802.80x = 3,155,856.15 × 1,426,868.38
  4. Step 4: Simplify right side
    2,287,802.80x = 4,502,991,352,263.54
  5. Step 5: Solve for x
    x = 4,502,991,352,263.54/2,287,802.80
  6. Step 6: Final answer
    x = 1,968,260.27

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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.