Home / 1,968,461.28-2,716,476.48-1,063,043.20

Finding the Fourth Proportional to 1,968,461.28, 2,716,476.48 and 1,063,043.20

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Solution

The fourth proportional to 1,968,461.28, 2,716,476.48 and 1,063,043.20 is: 1,466,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,461.28 : 2,716,476.48 = 1,063,043.20 : x
  2. Step 2: Convert to fraction form
    1,968,461.28/2,716,476.48 = 1,063,043.20/x
  3. Step 3: Cross multiply
    1,968,461.28x = 2,716,476.48 × 1,063,043.20
  4. Step 4: Simplify right side
    1,968,461.28x = 2,887,731,850,023.94
  5. Step 5: Solve for x
    x = 2,887,731,850,023.94/1,968,461.28
  6. Step 6: Final answer
    x = 1,466,999.57

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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.