Home / 1,872,665.80-2,802,000.30-1,242,809.80

Finding the Fourth Proportional to 1,872,665.80, 2,802,000.30 and 1,242,809.80

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Solution

The fourth proportional to 1,872,665.80, 2,802,000.30 and 1,242,809.80 is: 1,859,570.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,665.80 : 2,802,000.30 = 1,242,809.80 : x
  2. Step 2: Convert to fraction form
    1,872,665.80/2,802,000.30 = 1,242,809.80/x
  3. Step 3: Cross multiply
    1,872,665.80x = 2,802,000.30 × 1,242,809.80
  4. Step 4: Simplify right side
    1,872,665.80x = 3,482,353,432,442.94
  5. Step 5: Solve for x
    x = 3,482,353,432,442.94/1,872,665.80
  6. Step 6: Final answer
    x = 1,859,570.16

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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.