Home / 4,827,020.40-7,240,435.64-1,948,310.78

Finding the Fourth Proportional to 4,827,020.40, 7,240,435.64 and 1,948,310.78

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Solution

The fourth proportional to 4,827,020.40, 7,240,435.64 and 1,948,310.78 is: 2,922,427.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827,020.40 : 7,240,435.64 = 1,948,310.78 : x
  2. Step 2: Convert to fraction form
    4,827,020.40/7,240,435.64 = 1,948,310.78/x
  3. Step 3: Cross multiply
    4,827,020.40x = 7,240,435.64 × 1,948,310.78
  4. Step 4: Simplify right side
    4,827,020.40x = 14,106,618,809,308.20
  5. Step 5: Solve for x
    x = 14,106,618,809,308.20/4,827,020.40
  6. Step 6: Final answer
    x = 2,922,427.84

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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.