Home / 2,287,803.80-3,155,857.53-1,426,869.38

Finding the Fourth Proportional to 2,287,803.80, 3,155,857.53 and 1,426,869.38

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Solution

The fourth proportional to 2,287,803.80, 3,155,857.53 and 1,426,869.38 is: 1,968,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,803.80 : 3,155,857.53 = 1,426,869.38 : x
  2. Step 2: Convert to fraction form
    2,287,803.80/3,155,857.53 = 1,426,869.38/x
  3. Step 3: Cross multiply
    2,287,803.80x = 3,155,857.53 × 1,426,869.38
  4. Step 4: Simplify right side
    2,287,803.80x = 4,502,996,477,199.43
  5. Step 5: Solve for x
    x = 4,502,996,477,199.43/2,287,803.80
  6. Step 6: Final answer
    x = 1,968,261.65

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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.