Home / 4,698,854.45-7,048,287.71-1,287,171.05

Finding the Fourth Proportional to 4,698,854.45, 7,048,287.71 and 1,287,171.05

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Solution

The fourth proportional to 4,698,854.45, 7,048,287.71 and 1,287,171.05 is: 1,930,758.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,698,854.45 : 7,048,287.71 = 1,287,171.05 : x
  2. Step 2: Convert to fraction form
    4,698,854.45/7,048,287.71 = 1,287,171.05/x
  3. Step 3: Cross multiply
    4,698,854.45x = 7,048,287.71 × 1,287,171.05
  4. Step 4: Simplify right side
    4,698,854.45x = 9,072,351,850,705.50
  5. Step 5: Solve for x
    x = 9,072,351,850,705.50/4,698,854.45
  6. Step 6: Final answer
    x = 1,930,758.22

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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.