Home / 2,145,648.40-3,218,904.60-629,328.40

Finding the Fourth Proportional to 2,145,648.40, 3,218,904.60 and 629,328.40

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Solution

The fourth proportional to 2,145,648.40, 3,218,904.60 and 629,328.40 is: 944,119.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,648.40 : 3,218,904.60 = 629,328.40 : x
  2. Step 2: Convert to fraction form
    2,145,648.40/3,218,904.60 = 629,328.40/x
  3. Step 3: Cross multiply
    2,145,648.40x = 3,218,904.60 × 629,328.40
  4. Step 4: Simplify right side
    2,145,648.40x = 2,025,748,081,670.64
  5. Step 5: Solve for x
    x = 2,025,748,081,670.64/2,145,648.40
  6. Step 6: Final answer
    x = 944,119.31

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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.