Home / 3,066,547.30-4,231,863.12-1,689,940.36

Finding the Fourth Proportional to 3,066,547.30, 4,231,863.12 and 1,689,940.36

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Solution

The fourth proportional to 3,066,547.30, 4,231,863.12 and 1,689,940.36 is: 2,332,133.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066,547.30 : 4,231,863.12 = 1,689,940.36 : x
  2. Step 2: Convert to fraction form
    3,066,547.30/4,231,863.12 = 1,689,940.36/x
  3. Step 3: Cross multiply
    3,066,547.30x = 4,231,863.12 × 1,689,940.36
  4. Step 4: Simplify right side
    3,066,547.30x = 7,151,596,284,483.52
  5. Step 5: Solve for x
    x = 7,151,596,284,483.52/3,066,547.30
  6. Step 6: Final answer
    x = 2,332,133.04

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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.