Home / 2,681,711.16-4,021,512.66-975,449.40

Finding the Fourth Proportional to 2,681,711.16, 4,021,512.66 and 975,449.40

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Solution

The fourth proportional to 2,681,711.16, 4,021,512.66 and 975,449.40 is: 1,462,790.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,711.16 : 4,021,512.66 = 975,449.40 : x
  2. Step 2: Convert to fraction form
    2,681,711.16/4,021,512.66 = 975,449.40/x
  3. Step 3: Cross multiply
    2,681,711.16x = 4,021,512.66 × 975,449.40
  4. Step 4: Simplify right side
    2,681,711.16x = 3,922,782,111,289.40
  5. Step 5: Solve for x
    x = 3,922,782,111,289.40/2,681,711.16
  6. Step 6: Final answer
    x = 1,462,790.69

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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.