Home / 1,878,324.12-2,817,928.44-1,495,520.82

Finding the Fourth Proportional to 1,878,324.12, 2,817,928.44 and 1,495,520.82

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Solution

The fourth proportional to 1,878,324.12, 2,817,928.44 and 1,495,520.82 is: 2,243,633.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,324.12 : 2,817,928.44 = 1,495,520.82 : x
  2. Step 2: Convert to fraction form
    1,878,324.12/2,817,928.44 = 1,495,520.82/x
  3. Step 3: Cross multiply
    1,878,324.12x = 2,817,928.44 × 1,495,520.82
  4. Step 4: Simplify right side
    1,878,324.12x = 4,214,270,651,290.12
  5. Step 5: Solve for x
    x = 4,214,270,651,290.12/1,878,324.12
  6. Step 6: Final answer
    x = 2,243,633.36

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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.