Home / 2,106,830.54-3,160,225.73-667,509.95

Finding the Fourth Proportional to 2,106,830.54, 3,160,225.73 and 667,509.95

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Solution

The fourth proportional to 2,106,830.54, 3,160,225.73 and 667,509.95 is: 1,001,258.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,830.54 : 3,160,225.73 = 667,509.95 : x
  2. Step 2: Convert to fraction form
    2,106,830.54/3,160,225.73 = 667,509.95/x
  3. Step 3: Cross multiply
    2,106,830.54x = 3,160,225.73 × 667,509.95
  4. Step 4: Simplify right side
    2,106,830.54x = 2,109,482,128,590.35
  5. Step 5: Solve for x
    x = 2,109,482,128,590.35/2,106,830.54
  6. Step 6: Final answer
    x = 1,001,258.57

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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.