Home / 1,418,059.40-2,121,905.10-1,044,811.40

Finding the Fourth Proportional to 1,418,059.40, 2,121,905.10 and 1,044,811.40

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Solution

The fourth proportional to 1,418,059.40, 2,121,905.10 and 1,044,811.40 is: 1,563,397.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,059.40 : 2,121,905.10 = 1,044,811.40 : x
  2. Step 2: Convert to fraction form
    1,418,059.40/2,121,905.10 = 1,044,811.40/x
  3. Step 3: Cross multiply
    1,418,059.40x = 2,121,905.10 × 1,044,811.40
  4. Step 4: Simplify right side
    1,418,059.40x = 2,216,990,638,198.14
  5. Step 5: Solve for x
    x = 2,216,990,638,198.14/1,418,059.40
  6. Step 6: Final answer
    x = 1,563,397.58

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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.