Home / 2,478,632.04-3,420,539.76-1,376,138.58

Finding the Fourth Proportional to 2,478,632.04, 3,420,539.76 and 1,376,138.58

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Solution

The fourth proportional to 2,478,632.04, 3,420,539.76 and 1,376,138.58 is: 1,899,086.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478,632.04 : 3,420,539.76 = 1,376,138.58 : x
  2. Step 2: Convert to fraction form
    2,478,632.04/3,420,539.76 = 1,376,138.58/x
  3. Step 3: Cross multiply
    2,478,632.04x = 3,420,539.76 × 1,376,138.58
  4. Step 4: Simplify right side
    2,478,632.04x = 4,707,136,728,159.94
  5. Step 5: Solve for x
    x = 4,707,136,728,159.94/2,478,632.04
  6. Step 6: Final answer
    x = 1,899,086.53

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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.