Home / 4,579,478.62-6,861,134.91-2,778,705.22

Finding the Fourth Proportional to 4,579,478.62, 6,861,134.91 and 2,778,705.22

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Solution

The fourth proportional to 4,579,478.62, 6,861,134.91 and 2,778,705.22 is: 4,163,153.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579,478.62 : 6,861,134.91 = 2,778,705.22 : x
  2. Step 2: Convert to fraction form
    4,579,478.62/6,861,134.91 = 2,778,705.22/x
  3. Step 3: Cross multiply
    4,579,478.62x = 6,861,134.91 × 2,778,705.22
  4. Step 4: Simplify right side
    4,579,478.62x = 19,065,071,389,541.23
  5. Step 5: Solve for x
    x = 19,065,071,389,541.23/4,579,478.62
  6. Step 6: Final answer
    x = 4,163,153.27

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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.