Home / 6,719,240.81-10,078,898.13-1,670,551.31

Finding the Fourth Proportional to 6,719,240.81, 10,078,898.13 and 1,670,551.31

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Solution

The fourth proportional to 6,719,240.81, 10,078,898.13 and 1,670,551.31 is: 2,505,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719,240.81 : 10,078,898.13 = 1,670,551.31 : x
  2. Step 2: Convert to fraction form
    6,719,240.81/10,078,898.13 = 1,670,551.31/x
  3. Step 3: Cross multiply
    6,719,240.81x = 10,078,898.13 × 1,670,551.31
  4. Step 4: Simplify right side
    6,719,240.81x = 16,837,316,499,625.30
  5. Step 5: Solve for x
    x = 16,837,316,499,625.30/6,719,240.81
  6. Step 6: Final answer
    x = 2,505,836.15

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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.