Home / 3,142,484.46-4,336,506.48-1,920,835.44

Finding the Fourth Proportional to 3,142,484.46, 4,336,506.48 and 1,920,835.44

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Solution

The fourth proportional to 3,142,484.46, 4,336,506.48 and 1,920,835.44 is: 2,650,678.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,484.46 : 4,336,506.48 = 1,920,835.44 : x
  2. Step 2: Convert to fraction form
    3,142,484.46/4,336,506.48 = 1,920,835.44/x
  3. Step 3: Cross multiply
    3,142,484.46x = 4,336,506.48 × 1,920,835.44
  4. Step 4: Simplify right side
    3,142,484.46x = 8,329,715,332,573.65
  5. Step 5: Solve for x
    x = 8,329,715,332,573.65/3,142,484.46
  6. Step 6: Final answer
    x = 2,650,678.29

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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.