Home / 6,970,426.80-9,619,068.04-3,872,978.80

Finding the Fourth Proportional to 6,970,426.80, 9,619,068.04 and 3,872,978.80

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Solution

The fourth proportional to 6,970,426.80, 9,619,068.04 and 3,872,978.80 is: 5,344,643.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970,426.80 : 9,619,068.04 = 3,872,978.80 : x
  2. Step 2: Convert to fraction form
    6,970,426.80/9,619,068.04 = 3,872,978.80/x
  3. Step 3: Cross multiply
    6,970,426.80x = 9,619,068.04 × 3,872,978.80
  4. Step 4: Simplify right side
    6,970,426.80x = 37,254,446,594,677.55
  5. Step 5: Solve for x
    x = 37,254,446,594,677.55/6,970,426.80
  6. Step 6: Final answer
    x = 5,344,643.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.