Home / 2,742,689.49-4,116,687.80-1,323,744.45

Finding the Fourth Proportional to 2,742,689.49, 4,116,687.80 and 1,323,744.45

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Solution

The fourth proportional to 2,742,689.49, 4,116,687.80 and 1,323,744.45 is: 1,986,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742,689.49 : 4,116,687.80 = 1,323,744.45 : x
  2. Step 2: Convert to fraction form
    2,742,689.49/4,116,687.80 = 1,323,744.45/x
  3. Step 3: Cross multiply
    2,742,689.49x = 4,116,687.80 × 1,323,744.45
  4. Step 4: Simplify right side
    2,742,689.49x = 5,449,442,621,013.99
  5. Step 5: Solve for x
    x = 5,449,442,621,013.99/2,742,689.49
  6. Step 6: Final answer
    x = 1,986,897.40

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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.