Home / 2,014,017.80-2,780,346.21-1,326,133.40

Finding the Fourth Proportional to 2,014,017.80, 2,780,346.21 and 1,326,133.40

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Solution

The fourth proportional to 2,014,017.80, 2,780,346.21 and 1,326,133.40 is: 1,830,723.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014,017.80 : 2,780,346.21 = 1,326,133.40 : x
  2. Step 2: Convert to fraction form
    2,014,017.80/2,780,346.21 = 1,326,133.40/x
  3. Step 3: Cross multiply
    2,014,017.80x = 2,780,346.21 × 1,326,133.40
  4. Step 4: Simplify right side
    2,014,017.80x = 3,687,109,972,644.41
  5. Step 5: Solve for x
    x = 3,687,109,972,644.41/2,014,017.80
  6. Step 6: Final answer
    x = 1,830,723.63

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1.5x scale

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.