Home / 1,851,211.64-2,777,752.02-839,688.86

Finding the Fourth Proportional to 1,851,211.64, 2,777,752.02 and 839,688.86

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Solution

The fourth proportional to 1,851,211.64, 2,777,752.02 and 839,688.86 is: 1,259,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,211.64 : 2,777,752.02 = 839,688.86 : x
  2. Step 2: Convert to fraction form
    1,851,211.64/2,777,752.02 = 839,688.86/x
  3. Step 3: Cross multiply
    1,851,211.64x = 2,777,752.02 × 839,688.86
  4. Step 4: Simplify right side
    1,851,211.64x = 2,332,447,427,036.50
  5. Step 5: Solve for x
    x = 2,332,447,427,036.50/1,851,211.64
  6. Step 6: Final answer
    x = 1,259,957.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.