Home / 6,628,877.20-9,943,315.80-3,789,276.40

Finding the Fourth Proportional to 6,628,877.20, 9,943,315.80 and 3,789,276.40

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Solution

The fourth proportional to 6,628,877.20, 9,943,315.80 and 3,789,276.40 is: 5,683,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628,877.20 : 9,943,315.80 = 3,789,276.40 : x
  2. Step 2: Convert to fraction form
    6,628,877.20/9,943,315.80 = 3,789,276.40/x
  3. Step 3: Cross multiply
    6,628,877.20x = 9,943,315.80 × 3,789,276.40
  4. Step 4: Simplify right side
    6,628,877.20x = 37,677,971,898,687.12
  5. Step 5: Solve for x
    x = 37,677,971,898,687.12/6,628,877.20
  6. Step 6: Final answer
    x = 5,683,914.60

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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.