Home / 2,784,521.16-4,176,784.90-762,782.40

Finding the Fourth Proportional to 2,784,521.16, 4,176,784.90 and 762,782.40

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Solution

The fourth proportional to 2,784,521.16, 4,176,784.90 and 762,782.40 is: 1,144,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,521.16 : 4,176,784.90 = 762,782.40 : x
  2. Step 2: Convert to fraction form
    2,784,521.16/4,176,784.90 = 762,782.40/x
  3. Step 3: Cross multiply
    2,784,521.16x = 4,176,784.90 × 762,782.40
  4. Step 4: Simplify right side
    2,784,521.16x = 3,185,978,010,305.76
  5. Step 5: Solve for x
    x = 3,185,978,010,305.76/2,784,521.16
  6. Step 6: Final answer
    x = 1,144,174.47

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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.