Home / 2,711,332.78-4,066,981.58-689,559.21

Finding the Fourth Proportional to 2,711,332.78, 4,066,981.58 and 689,559.21

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Solution

The fourth proportional to 2,711,332.78, 4,066,981.58 and 689,559.21 is: 1,034,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711,332.78 : 4,066,981.58 = 689,559.21 : x
  2. Step 2: Convert to fraction form
    2,711,332.78/4,066,981.58 = 689,559.21/x
  3. Step 3: Cross multiply
    2,711,332.78x = 4,066,981.58 × 689,559.21
  4. Step 4: Simplify right side
    2,711,332.78x = 2,804,424,607,113.25
  5. Step 5: Solve for x
    x = 2,804,424,607,113.25/2,711,332.78
  6. Step 6: Final answer
    x = 1,034,334.34

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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.