Home / 1,820,919.03-2,512,868.58-1,005,123.08

Finding the Fourth Proportional to 1,820,919.03, 2,512,868.58 and 1,005,123.08

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Solution

The fourth proportional to 1,820,919.03, 2,512,868.58 and 1,005,123.08 is: 1,387,070.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,919.03 : 2,512,868.58 = 1,005,123.08 : x
  2. Step 2: Convert to fraction form
    1,820,919.03/2,512,868.58 = 1,005,123.08/x
  3. Step 3: Cross multiply
    1,820,919.03x = 2,512,868.58 × 1,005,123.08
  4. Step 4: Simplify right side
    1,820,919.03x = 2,525,742,194,200.48
  5. Step 5: Solve for x
    x = 2,525,742,194,200.48/1,820,919.03
  6. Step 6: Final answer
    x = 1,387,070.02

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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.