Home / 2,445,642-3,666,533.66-1,545,185.78

Finding the Fourth Proportional to 2,445,642, 3,666,533.66 and 1,545,185.78

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Solution

The fourth proportional to 2,445,642, 3,666,533.66 and 1,545,185.78 is: 2,316,559.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445,642 : 3,666,533.66 = 1,545,185.78 : x
  2. Step 2: Convert to fraction form
    2,445,642/3,666,533.66 = 1,545,185.78/x
  3. Step 3: Cross multiply
    2,445,642x = 3,666,533.66 × 1,545,185.78
  4. Step 4: Simplify right side
    2,445,642x = 5,665,475,673,323.36
  5. Step 5: Solve for x
    x = 5,665,475,673,323.36/2,445,642
  6. Step 6: Final answer
    x = 2,316,559.69

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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.