Home / 2,087,020.60-2,880,392.75-1,169,311.89

Finding the Fourth Proportional to 2,087,020.60, 2,880,392.75 and 1,169,311.89

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Solution

The fourth proportional to 2,087,020.60, 2,880,392.75 and 1,169,311.89 is: 1,613,820.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,020.60 : 2,880,392.75 = 1,169,311.89 : x
  2. Step 2: Convert to fraction form
    2,087,020.60/2,880,392.75 = 1,169,311.89/x
  3. Step 3: Cross multiply
    2,087,020.60x = 2,880,392.75 × 1,169,311.89
  4. Step 4: Simplify right side
    2,087,020.60x = 3,368,077,483,582.42
  5. Step 5: Solve for x
    x = 3,368,077,483,582.42/2,087,020.60
  6. Step 6: Final answer
    x = 1,613,820.91

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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.