Home / 3,539,728.80-5,310,905.40-1,411,340.40

Finding the Fourth Proportional to 3,539,728.80, 5,310,905.40 and 1,411,340.40

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Solution

The fourth proportional to 3,539,728.80, 5,310,905.40 and 1,411,340.40 is: 2,117,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,728.80 : 5,310,905.40 = 1,411,340.40 : x
  2. Step 2: Convert to fraction form
    3,539,728.80/5,310,905.40 = 1,411,340.40/x
  3. Step 3: Cross multiply
    3,539,728.80x = 5,310,905.40 × 1,411,340.40
  4. Step 4: Simplify right side
    3,539,728.80x = 7,495,495,351,598.16
  5. Step 5: Solve for x
    x = 7,495,495,351,598.16/3,539,728.80
  6. Step 6: Final answer
    x = 2,117,533.79

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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.