Home / 3,138,686.51-4,330,871.61-1,849,351.60

Finding the Fourth Proportional to 3,138,686.51, 4,330,871.61 and 1,849,351.60

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Solution

The fourth proportional to 3,138,686.51, 4,330,871.61 and 1,849,351.60 is: 2,551,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,686.51 : 4,330,871.61 = 1,849,351.60 : x
  2. Step 2: Convert to fraction form
    3,138,686.51/4,330,871.61 = 1,849,351.60/x
  3. Step 3: Cross multiply
    3,138,686.51x = 4,330,871.61 × 1,849,351.60
  4. Step 4: Simplify right side
    3,138,686.51x = 8,009,304,310,446.96
  5. Step 5: Solve for x
    x = 8,009,304,310,446.96/3,138,686.51
  6. Step 6: Final answer
    x = 2,551,801.30

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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.