Home / 1,510,104.51-2,262,499.56-1,420,202.43

Finding the Fourth Proportional to 1,510,104.51, 2,262,499.56 and 1,420,202.43

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Solution

The fourth proportional to 1,510,104.51, 2,262,499.56 and 1,420,202.43 is: 2,127,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,104.51 : 2,262,499.56 = 1,420,202.43 : x
  2. Step 2: Convert to fraction form
    1,510,104.51/2,262,499.56 = 1,420,202.43/x
  3. Step 3: Cross multiply
    1,510,104.51x = 2,262,499.56 × 1,420,202.43
  4. Step 4: Simplify right side
    1,510,104.51x = 3,213,207,372,985.93
  5. Step 5: Solve for x
    x = 3,213,207,372,985.93/1,510,104.51
  6. Step 6: Final answer
    x = 2,127,804.63

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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.