Home / 1,948,646.80-2,920,783.20-938,252.80

Finding the Fourth Proportional to 1,948,646.80, 2,920,783.20 and 938,252.80

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Solution

The fourth proportional to 1,948,646.80, 2,920,783.20 and 938,252.80 is: 1,406,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,646.80 : 2,920,783.20 = 938,252.80 : x
  2. Step 2: Convert to fraction form
    1,948,646.80/2,920,783.20 = 938,252.80/x
  3. Step 3: Cross multiply
    1,948,646.80x = 2,920,783.20 × 938,252.80
  4. Step 4: Simplify right side
    1,948,646.80x = 2,740,433,015,592.96
  5. Step 5: Solve for x
    x = 2,740,433,015,592.96/1,948,646.80
  6. Step 6: Final answer
    x = 1,406,326.18

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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.