Home / 2,146,038.40-3,219,489.60-629,718.40

Finding the Fourth Proportional to 2,146,038.40, 3,219,489.60 and 629,718.40

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Solution

The fourth proportional to 2,146,038.40, 3,219,489.60 and 629,718.40 is: 944,704.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,038.40 : 3,219,489.60 = 629,718.40 : x
  2. Step 2: Convert to fraction form
    2,146,038.40/3,219,489.60 = 629,718.40/x
  3. Step 3: Cross multiply
    2,146,038.40x = 3,219,489.60 × 629,718.40
  4. Step 4: Simplify right side
    2,146,038.40x = 2,027,371,839,728.64
  5. Step 5: Solve for x
    x = 2,027,371,839,728.64/2,146,038.40
  6. Step 6: Final answer
    x = 944,704.36

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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.