Home / 1,540,962.63-2,128,560.32-1,182,812.22

Finding the Fourth Proportional to 1,540,962.63, 2,128,560.32 and 1,182,812.22

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Solution

The fourth proportional to 1,540,962.63, 2,128,560.32 and 1,182,812.22 is: 1,633,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,962.63 : 2,128,560.32 = 1,182,812.22 : x
  2. Step 2: Convert to fraction form
    1,540,962.63/2,128,560.32 = 1,182,812.22/x
  3. Step 3: Cross multiply
    1,540,962.63x = 2,128,560.32 × 1,182,812.22
  4. Step 4: Simplify right side
    1,540,962.63x = 2,517,687,160,460.14
  5. Step 5: Solve for x
    x = 2,517,687,160,460.14/1,540,962.63
  6. Step 6: Final answer
    x = 1,633,840.50

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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.