Home / 2,896,815.47-3,997,341.23-1,719,211.28

Finding the Fourth Proportional to 2,896,815.47, 3,997,341.23 and 1,719,211.28

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Solution

The fourth proportional to 2,896,815.47, 3,997,341.23 and 1,719,211.28 is: 2,372,354.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896,815.47 : 3,997,341.23 = 1,719,211.28 : x
  2. Step 2: Convert to fraction form
    2,896,815.47/3,997,341.23 = 1,719,211.28/x
  3. Step 3: Cross multiply
    2,896,815.47x = 3,997,341.23 × 1,719,211.28
  4. Step 4: Simplify right side
    2,896,815.47x = 6,872,274,104,042.31
  5. Step 5: Solve for x
    x = 6,872,274,104,042.31/2,896,815.47
  6. Step 6: Final answer
    x = 2,372,354.81

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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.