Home / 1,858,961.80-2,788,442.70-1,656,008.20

Finding the Fourth Proportional to 1,858,961.80, 2,788,442.70 and 1,656,008.20

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Solution

The fourth proportional to 1,858,961.80, 2,788,442.70 and 1,656,008.20 is: 2,484,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,961.80 : 2,788,442.70 = 1,656,008.20 : x
  2. Step 2: Convert to fraction form
    1,858,961.80/2,788,442.70 = 1,656,008.20/x
  3. Step 3: Cross multiply
    1,858,961.80x = 2,788,442.70 × 1,656,008.20
  4. Step 4: Simplify right side
    1,858,961.80x = 4,617,683,976,430.14
  5. Step 5: Solve for x
    x = 4,617,683,976,430.14/1,858,961.80
  6. Step 6: Final answer
    x = 2,484,012.30

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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.