Home / 1,920,538.32-2,650,116.96-1,061,047.32

Finding the Fourth Proportional to 1,920,538.32, 2,650,116.96 and 1,061,047.32

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Solution

The fourth proportional to 1,920,538.32, 2,650,116.96 and 1,061,047.32 is: 1,464,120.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,538.32 : 2,650,116.96 = 1,061,047.32 : x
  2. Step 2: Convert to fraction form
    1,920,538.32/2,650,116.96 = 1,061,047.32/x
  3. Step 3: Cross multiply
    1,920,538.32x = 2,650,116.96 × 1,061,047.32
  4. Step 4: Simplify right side
    1,920,538.32x = 2,811,899,498,094.55
  5. Step 5: Solve for x
    x = 2,811,899,498,094.55/1,920,538.32
  6. Step 6: Final answer
    x = 1,464,120.49

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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.