Home / 2,087,622.77-2,880,872.58-1,216,403.18

Finding the Fourth Proportional to 2,087,622.77, 2,880,872.58 and 1,216,403.18

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Solution

The fourth proportional to 2,087,622.77, 2,880,872.58 and 1,216,403.18 is: 1,678,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,622.77 : 2,880,872.58 = 1,216,403.18 : x
  2. Step 2: Convert to fraction form
    2,087,622.77/2,880,872.58 = 1,216,403.18/x
  3. Step 3: Cross multiply
    2,087,622.77x = 2,880,872.58 × 1,216,403.18
  4. Step 4: Simplify right side
    2,087,622.77x = 3,504,302,547,000.43
  5. Step 5: Solve for x
    x = 3,504,302,547,000.43/2,087,622.77
  6. Step 6: Final answer
    x = 1,678,609.08

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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.