Home / 2,012,520.98-3,020,181.14-1,300,783.70

Finding the Fourth Proportional to 2,012,520.98, 3,020,181.14 and 1,300,783.70

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Solution

The fourth proportional to 2,012,520.98, 3,020,181.14 and 1,300,783.70 is: 1,952,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,520.98 : 3,020,181.14 = 1,300,783.70 : x
  2. Step 2: Convert to fraction form
    2,012,520.98/3,020,181.14 = 1,300,783.70/x
  3. Step 3: Cross multiply
    2,012,520.98x = 3,020,181.14 × 1,300,783.70
  4. Step 4: Simplify right side
    2,012,520.98x = 3,928,602,376,354.59
  5. Step 5: Solve for x
    x = 3,928,602,376,354.59/2,012,520.98
  6. Step 6: Final answer
    x = 1,952,080.21

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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.