Home / 2,138,547.30-3,208,415.49-1,738,196.70

Finding the Fourth Proportional to 2,138,547.30, 3,208,415.49 and 1,738,196.70

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Solution

The fourth proportional to 2,138,547.30, 3,208,415.49 and 1,738,196.70 is: 2,607,778.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,547.30 : 3,208,415.49 = 1,738,196.70 : x
  2. Step 2: Convert to fraction form
    2,138,547.30/3,208,415.49 = 1,738,196.70/x
  3. Step 3: Cross multiply
    2,138,547.30x = 3,208,415.49 × 1,738,196.70
  4. Step 4: Simplify right side
    2,138,547.30x = 5,576,857,216,946.88
  5. Step 5: Solve for x
    x = 5,576,857,216,946.88/2,138,547.30
  6. Step 6: Final answer
    x = 2,607,778.29

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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.