Home / 3,539,678.80-5,310,830.40-1,411,290.40

Finding the Fourth Proportional to 3,539,678.80, 5,310,830.40 and 1,411,290.40

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Solution

The fourth proportional to 3,539,678.80, 5,310,830.40 and 1,411,290.40 is: 2,117,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,678.80 : 5,310,830.40 = 1,411,290.40 : x
  2. Step 2: Convert to fraction form
    3,539,678.80/5,310,830.40 = 1,411,290.40/x
  3. Step 3: Cross multiply
    3,539,678.80x = 5,310,830.40 × 1,411,290.40
  4. Step 4: Simplify right side
    3,539,678.80x = 7,495,123,959,548.16
  5. Step 5: Solve for x
    x = 7,495,123,959,548.16/3,539,678.80
  6. Step 6: Final answer
    x = 2,117,458.78

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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.