Home / 2,168,551.72-2,992,618.96-1,201,698.16

Finding the Fourth Proportional to 2,168,551.72, 2,992,618.96 and 1,201,698.16

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Solution

The fourth proportional to 2,168,551.72, 2,992,618.96 and 1,201,698.16 is: 1,658,353.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,551.72 : 2,992,618.96 = 1,201,698.16 : x
  2. Step 2: Convert to fraction form
    2,168,551.72/2,992,618.96 = 1,201,698.16/x
  3. Step 3: Cross multiply
    2,168,551.72x = 2,992,618.96 × 1,201,698.16
  4. Step 4: Simplify right side
    2,168,551.72x = 3,596,224,697,813.11
  5. Step 5: Solve for x
    x = 3,596,224,697,813.11/2,168,551.72
  6. Step 6: Final answer
    x = 1,658,353.21

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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.