Home / 6,439,142.58-8,882,316.81-4,020,495.54

Finding the Fourth Proportional to 6,439,142.58, 8,882,316.81 and 4,020,495.54

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Solution

The fourth proportional to 6,439,142.58, 8,882,316.81 and 4,020,495.54 is: 5,545,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,142.58 : 8,882,316.81 = 4,020,495.54 : x
  2. Step 2: Convert to fraction form
    6,439,142.58/8,882,316.81 = 4,020,495.54/x
  3. Step 3: Cross multiply
    6,439,142.58x = 8,882,316.81 × 4,020,495.54
  4. Step 4: Simplify right side
    6,439,142.58x = 35,711,315,119,472.03
  5. Step 5: Solve for x
    x = 35,711,315,119,472.03/6,439,142.58
  6. Step 6: Final answer
    x = 5,545,973.66

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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.