Home / 2,909,990.80-4,014,396.40-2,260,969.12

Finding the Fourth Proportional to 2,909,990.80, 4,014,396.40 and 2,260,969.12

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Solution

The fourth proportional to 2,909,990.80, 4,014,396.40 and 2,260,969.12 is: 3,119,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,990.80 : 4,014,396.40 = 2,260,969.12 : x
  2. Step 2: Convert to fraction form
    2,909,990.80/4,014,396.40 = 2,260,969.12/x
  3. Step 3: Cross multiply
    2,909,990.80x = 4,014,396.40 × 2,260,969.12
  4. Step 4: Simplify right side
    2,909,990.80x = 9,076,426,295,839.17
  5. Step 5: Solve for x
    x = 9,076,426,295,839.17/2,909,990.80
  6. Step 6: Final answer
    x = 3,119,056.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.