Home / 3,787,210.90-5,226,356.89-2,155,618.25

Finding the Fourth Proportional to 3,787,210.90, 5,226,356.89 and 2,155,618.25

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Solution

The fourth proportional to 3,787,210.90, 5,226,356.89 and 2,155,618.25 is: 2,974,756.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,210.90 : 5,226,356.89 = 2,155,618.25 : x
  2. Step 2: Convert to fraction form
    3,787,210.90/5,226,356.89 = 2,155,618.25/x
  3. Step 3: Cross multiply
    3,787,210.90x = 5,226,356.89 × 2,155,618.25
  4. Step 4: Simplify right side
    3,787,210.90x = 11,266,030,289,258.82
  5. Step 5: Solve for x
    x = 11,266,030,289,258.82/3,787,210.90
  6. Step 6: Final answer
    x = 2,974,756.51

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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.