Home / 1,536,370.34-2,119,340.30-1,078,168.73

Finding the Fourth Proportional to 1,536,370.34, 2,119,340.30 and 1,078,168.73

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Solution

The fourth proportional to 1,536,370.34, 2,119,340.30 and 1,078,168.73 is: 1,487,275.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,370.34 : 2,119,340.30 = 1,078,168.73 : x
  2. Step 2: Convert to fraction form
    1,536,370.34/2,119,340.30 = 1,078,168.73/x
  3. Step 3: Cross multiply
    1,536,370.34x = 2,119,340.30 × 1,078,168.73
  4. Step 4: Simplify right side
    1,536,370.34x = 2,285,006,423,701.27
  5. Step 5: Solve for x
    x = 2,285,006,423,701.27/1,536,370.34
  6. Step 6: Final answer
    x = 1,487,275.80

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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.