Home / 1,605,689.52-2,216,060.28-1,054,880.88

Finding the Fourth Proportional to 1,605,689.52, 2,216,060.28 and 1,054,880.88

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Solution

The fourth proportional to 1,605,689.52, 2,216,060.28 and 1,054,880.88 is: 1,455,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,689.52 : 2,216,060.28 = 1,054,880.88 : x
  2. Step 2: Convert to fraction form
    1,605,689.52/2,216,060.28 = 1,054,880.88/x
  3. Step 3: Cross multiply
    1,605,689.52x = 2,216,060.28 × 1,054,880.88
  4. Step 4: Simplify right side
    1,605,689.52x = 2,337,679,618,299.45
  5. Step 5: Solve for x
    x = 2,337,679,618,299.45/1,605,689.52
  6. Step 6: Final answer
    x = 1,455,872.75

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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.