Home / 2,768,740.39-3,820,862.47-1,528,351.46

Finding the Fourth Proportional to 2,768,740.39, 3,820,862.47 and 1,528,351.46

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Solution

The fourth proportional to 2,768,740.39, 3,820,862.47 and 1,528,351.46 is: 2,109,125.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,740.39 : 3,820,862.47 = 1,528,351.46 : x
  2. Step 2: Convert to fraction form
    2,768,740.39/3,820,862.47 = 1,528,351.46/x
  3. Step 3: Cross multiply
    2,768,740.39x = 3,820,862.47 × 1,528,351.46
  4. Step 4: Simplify right side
    2,768,740.39x = 5,839,620,734,483.71
  5. Step 5: Solve for x
    x = 5,839,620,734,483.71/2,768,740.39
  6. Step 6: Final answer
    x = 2,109,125.42

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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.