Home / 2,135,689.20-2,947,252.23-1,168,818.93

Finding the Fourth Proportional to 2,135,689.20, 2,947,252.23 and 1,168,818.93

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Solution

The fourth proportional to 2,135,689.20, 2,947,252.23 and 1,168,818.93 is: 1,612,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,689.20 : 2,947,252.23 = 1,168,818.93 : x
  2. Step 2: Convert to fraction form
    2,135,689.20/2,947,252.23 = 1,168,818.93/x
  3. Step 3: Cross multiply
    2,135,689.20x = 2,947,252.23 × 1,168,818.93
  4. Step 4: Simplify right side
    2,135,689.20x = 3,444,804,197,908.71
  5. Step 5: Solve for x
    x = 3,444,804,197,908.71/2,135,689.20
  6. Step 6: Final answer
    x = 1,612,970.74

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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.