Home / 1,758,171.10-2,637,256.65-1,687,312.30

Finding the Fourth Proportional to 1,758,171.10, 2,637,256.65 and 1,687,312.30

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Solution

The fourth proportional to 1,758,171.10, 2,637,256.65 and 1,687,312.30 is: 2,530,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,171.10 : 2,637,256.65 = 1,687,312.30 : x
  2. Step 2: Convert to fraction form
    1,758,171.10/2,637,256.65 = 1,687,312.30/x
  3. Step 3: Cross multiply
    1,758,171.10x = 2,637,256.65 × 1,687,312.30
  4. Step 4: Simplify right side
    1,758,171.10x = 4,449,875,583,801.80
  5. Step 5: Solve for x
    x = 4,449,875,583,801.80/1,758,171.10
  6. Step 6: Final answer
    x = 2,530,968.45

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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.