Home / 6,719,220.90-10,078,867.80-1,670,531.40

Finding the Fourth Proportional to 6,719,220.90, 10,078,867.80 and 1,670,531.40

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Solution

The fourth proportional to 6,719,220.90, 10,078,867.80 and 1,670,531.40 is: 2,505,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719,220.90 : 10,078,867.80 = 1,670,531.40 : x
  2. Step 2: Convert to fraction form
    6,719,220.90/10,078,867.80 = 1,670,531.40/x
  3. Step 3: Cross multiply
    6,719,220.90x = 10,078,867.80 × 1,670,531.40
  4. Step 4: Simplify right side
    6,719,220.90x = 16,837,065,136,348.92
  5. Step 5: Solve for x
    x = 16,837,065,136,348.92/6,719,220.90
  6. Step 6: Final answer
    x = 2,505,806.16

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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.