Home / 2,168,328.45-2,992,290.33-1,201,521.36

Finding the Fourth Proportional to 2,168,328.45, 2,992,290.33 and 1,201,521.36

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Solution

The fourth proportional to 2,168,328.45, 2,992,290.33 and 1,201,521.36 is: 1,658,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,328.45 : 2,992,290.33 = 1,201,521.36 : x
  2. Step 2: Convert to fraction form
    2,168,328.45/2,992,290.33 = 1,201,521.36/x
  3. Step 3: Cross multiply
    2,168,328.45x = 2,992,290.33 × 1,201,521.36
  4. Step 4: Simplify right side
    2,168,328.45x = 3,595,300,746,816.45
  5. Step 5: Solve for x
    x = 3,595,300,746,816.45/2,168,328.45
  6. Step 6: Final answer
    x = 1,658,097.85

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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.