Home / 1,862,635-2,572,387.82-1,283,364.32

Finding the Fourth Proportional to 1,862,635, 2,572,387.82 and 1,283,364.32

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Solution

The fourth proportional to 1,862,635, 2,572,387.82 and 1,283,364.32 is: 1,772,387.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862,635 : 2,572,387.82 = 1,283,364.32 : x
  2. Step 2: Convert to fraction form
    1,862,635/2,572,387.82 = 1,283,364.32/x
  3. Step 3: Cross multiply
    1,862,635x = 2,572,387.82 × 1,283,364.32
  4. Step 4: Simplify right side
    1,862,635x = 3,301,310,745,390.58
  5. Step 5: Solve for x
    x = 3,301,310,745,390.58/1,862,635
  6. Step 6: Final answer
    x = 1,772,387.37

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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.