Home / 1,820,143.05-2,730,214.58-1,111,555.05

Finding the Fourth Proportional to 1,820,143.05, 2,730,214.58 and 1,111,555.05

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Solution

The fourth proportional to 1,820,143.05, 2,730,214.58 and 1,111,555.05 is: 1,667,332.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,143.05 : 2,730,214.58 = 1,111,555.05 : x
  2. Step 2: Convert to fraction form
    1,820,143.05/2,730,214.58 = 1,111,555.05/x
  3. Step 3: Cross multiply
    1,820,143.05x = 2,730,214.58 × 1,111,555.05
  4. Step 4: Simplify right side
    1,820,143.05x = 3,034,783,798,424.85
  5. Step 5: Solve for x
    x = 3,034,783,798,424.85/1,820,143.05
  6. Step 6: Final answer
    x = 1,667,332.58

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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.