Home / 6,616,704.40-9,926,784.60-2,129,088.40

Finding the Fourth Proportional to 6,616,704.40, 9,926,784.60 and 2,129,088.40

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Solution

The fourth proportional to 6,616,704.40, 9,926,784.60 and 2,129,088.40 is: 3,194,188.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616,704.40 : 9,926,784.60 = 2,129,088.40 : x
  2. Step 2: Convert to fraction form
    6,616,704.40/9,926,784.60 = 2,129,088.40/x
  3. Step 3: Cross multiply
    6,616,704.40x = 9,926,784.60 × 2,129,088.40
  4. Step 4: Simplify right side
    6,616,704.40x = 21,135,001,941,158.64
  5. Step 5: Solve for x
    x = 21,135,001,941,158.64/6,616,704.40
  6. Step 6: Final answer
    x = 3,194,188.63

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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.