Home / 6,645,830.69-9,970,428.41-1,853,520.07

Finding the Fourth Proportional to 6,645,830.69, 9,970,428.41 and 1,853,520.07

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Solution

The fourth proportional to 6,645,830.69, 9,970,428.41 and 1,853,520.07 is: 2,780,749.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,830.69 : 9,970,428.41 = 1,853,520.07 : x
  2. Step 2: Convert to fraction form
    6,645,830.69/9,970,428.41 = 1,853,520.07/x
  3. Step 3: Cross multiply
    6,645,830.69x = 9,970,428.41 × 1,853,520.07
  4. Step 4: Simplify right side
    6,645,830.69x = 18,480,389,144,140.92
  5. Step 5: Solve for x
    x = 18,480,389,144,140.92/6,645,830.69
  6. Step 6: Final answer
    x = 2,780,749.31

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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.