Home / 4,698,673.20-7,048,009.80-2,809,105.20

Finding the Fourth Proportional to 4,698,673.20, 7,048,009.80 and 2,809,105.20

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Solution

The fourth proportional to 4,698,673.20, 7,048,009.80 and 2,809,105.20 is: 4,213,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,698,673.20 : 7,048,009.80 = 2,809,105.20 : x
  2. Step 2: Convert to fraction form
    4,698,673.20/7,048,009.80 = 2,809,105.20/x
  3. Step 3: Cross multiply
    4,698,673.20x = 7,048,009.80 × 2,809,105.20
  4. Step 4: Simplify right side
    4,698,673.20x = 19,798,600,978,830.96
  5. Step 5: Solve for x
    x = 19,798,600,978,830.96/4,698,673.20
  6. Step 6: Final answer
    x = 4,213,657.80

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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.