Home / 1,987,461-2,742,696.63-1,082,043

Finding the Fourth Proportional to 1,987,461, 2,742,696.63 and 1,082,043

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Solution

The fourth proportional to 1,987,461, 2,742,696.63 and 1,082,043 is: 1,493,219.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,461 : 2,742,696.63 = 1,082,043 : x
  2. Step 2: Convert to fraction form
    1,987,461/2,742,696.63 = 1,082,043/x
  3. Step 3: Cross multiply
    1,987,461x = 2,742,696.63 × 1,082,043
  4. Step 4: Simplify right side
    1,987,461x = 2,967,715,689,615.09
  5. Step 5: Solve for x
    x = 2,967,715,689,615.09/1,987,461
  6. Step 6: Final answer
    x = 1,493,219.58

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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.