Home / 2,147,520.47-2,963,551.65-1,180,642.31

Finding the Fourth Proportional to 2,147,520.47, 2,963,551.65 and 1,180,642.31

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Solution

The fourth proportional to 2,147,520.47, 2,963,551.65 and 1,180,642.31 is: 1,629,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,520.47 : 2,963,551.65 = 1,180,642.31 : x
  2. Step 2: Convert to fraction form
    2,147,520.47/2,963,551.65 = 1,180,642.31/x
  3. Step 3: Cross multiply
    2,147,520.47x = 2,963,551.65 × 1,180,642.31
  4. Step 4: Simplify right side
    2,147,520.47x = 3,498,894,465,860.31
  5. Step 5: Solve for x
    x = 3,498,894,465,860.31/2,147,520.47
  6. Step 6: Final answer
    x = 1,629,271.76

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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.