Home / 2,105,226.53-2,905,210.55-1,138,354.51

Finding the Fourth Proportional to 2,105,226.53, 2,905,210.55 and 1,138,354.51

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Solution

The fourth proportional to 2,105,226.53, 2,905,210.55 and 1,138,354.51 is: 1,570,928.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,226.53 : 2,905,210.55 = 1,138,354.51 : x
  2. Step 2: Convert to fraction form
    2,105,226.53/2,905,210.55 = 1,138,354.51/x
  3. Step 3: Cross multiply
    2,105,226.53x = 2,905,210.55 × 1,138,354.51
  4. Step 4: Simplify right side
    2,105,226.53x = 3,307,159,532,092.08
  5. Step 5: Solve for x
    x = 3,307,159,532,092.08/2,105,226.53
  6. Step 6: Final answer
    x = 1,570,928.11

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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.