Home / 2,838,875.80-3,917,124.51-1,615,109.89

Finding the Fourth Proportional to 2,838,875.80, 3,917,124.51 and 1,615,109.89

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Solution

The fourth proportional to 2,838,875.80, 3,917,124.51 and 1,615,109.89 is: 2,228,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838,875.80 : 3,917,124.51 = 1,615,109.89 : x
  2. Step 2: Convert to fraction form
    2,838,875.80/3,917,124.51 = 1,615,109.89/x
  3. Step 3: Cross multiply
    2,838,875.80x = 3,917,124.51 × 1,615,109.89
  4. Step 4: Simplify right side
    2,838,875.80x = 6,326,586,536,462.40
  5. Step 5: Solve for x
    x = 6,326,586,536,462.40/2,838,875.80
  6. Step 6: Final answer
    x = 2,228,553.48

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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.