Home / 2,119,830.52-2,925,403.74-1,152,981.88

Finding the Fourth Proportional to 2,119,830.52, 2,925,403.74 and 1,152,981.88

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Solution

The fourth proportional to 2,119,830.52, 2,925,403.74 and 1,152,981.88 is: 1,591,135.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,830.52 : 2,925,403.74 = 1,152,981.88 : x
  2. Step 2: Convert to fraction form
    2,119,830.52/2,925,403.74 = 1,152,981.88/x
  3. Step 3: Cross multiply
    2,119,830.52x = 2,925,403.74 × 1,152,981.88
  4. Step 4: Simplify right side
    2,119,830.52x = 3,372,937,503,904.23
  5. Step 5: Solve for x
    x = 3,372,937,503,904.23/2,119,830.52
  6. Step 6: Final answer
    x = 1,591,135.46

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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.