Home / 2,121,855.08-2,928,237.55-1,154,938.64

Finding the Fourth Proportional to 2,121,855.08, 2,928,237.55 and 1,154,938.64

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Solution

The fourth proportional to 2,121,855.08, 2,928,237.55 and 1,154,938.64 is: 1,593,857.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,855.08 : 2,928,237.55 = 1,154,938.64 : x
  2. Step 2: Convert to fraction form
    2,121,855.08/2,928,237.55 = 1,154,938.64/x
  3. Step 3: Cross multiply
    2,121,855.08x = 2,928,237.55 × 1,154,938.64
  4. Step 4: Simplify right side
    2,121,855.08x = 3,381,934,676,065.40
  5. Step 5: Solve for x
    x = 3,381,934,676,065.40/2,121,855.08
  6. Step 6: Final answer
    x = 1,593,857.52

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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.