Home / 1,881,391.87-2,596,369.05-1,022,001.31

Finding the Fourth Proportional to 1,881,391.87, 2,596,369.05 and 1,022,001.31

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Solution

The fourth proportional to 1,881,391.87, 2,596,369.05 and 1,022,001.31 is: 1,410,388.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,391.87 : 2,596,369.05 = 1,022,001.31 : x
  2. Step 2: Convert to fraction form
    1,881,391.87/2,596,369.05 = 1,022,001.31/x
  3. Step 3: Cross multiply
    1,881,391.87x = 2,596,369.05 × 1,022,001.31
  4. Step 4: Simplify right side
    1,881,391.87x = 2,653,492,570,343.46
  5. Step 5: Solve for x
    x = 2,653,492,570,343.46/1,881,391.87
  6. Step 6: Final answer
    x = 1,410,388.03

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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.