Home / 2,781,178.53-3,838,415.22-2,009,307.39

Finding the Fourth Proportional to 2,781,178.53, 3,838,415.22 and 2,009,307.39

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Solution

The fourth proportional to 2,781,178.53, 3,838,415.22 and 2,009,307.39 is: 2,773,125.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,178.53 : 3,838,415.22 = 2,009,307.39 : x
  2. Step 2: Convert to fraction form
    2,781,178.53/3,838,415.22 = 2,009,307.39/x
  3. Step 3: Cross multiply
    2,781,178.53x = 3,838,415.22 × 2,009,307.39
  4. Step 4: Simplify right side
    2,781,178.53x = 7,712,556,067,434.48
  5. Step 5: Solve for x
    x = 7,712,556,067,434.48/2,781,178.53
  6. Step 6: Final answer
    x = 2,773,125.13

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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.