Home / 2,384,547.12-3,290,687.64-1,296,827.28

Finding the Fourth Proportional to 2,384,547.12, 3,290,687.64 and 1,296,827.28

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Solution

The fourth proportional to 2,384,547.12, 3,290,687.64 and 1,296,827.28 is: 1,789,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384,547.12 : 3,290,687.64 = 1,296,827.28 : x
  2. Step 2: Convert to fraction form
    2,384,547.12/3,290,687.64 = 1,296,827.28/x
  3. Step 3: Cross multiply
    2,384,547.12x = 3,290,687.64 × 1,296,827.28
  4. Step 4: Simplify right side
    2,384,547.12x = 4,267,453,501,510.82
  5. Step 5: Solve for x
    x = 4,267,453,501,510.82/2,384,547.12
  6. Step 6: Final answer
    x = 1,789,628.51

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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.