Home / 2,161,564.80-2,983,113.87-1,194,674.28

Finding the Fourth Proportional to 2,161,564.80, 2,983,113.87 and 1,194,674.28

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Solution

The fourth proportional to 2,161,564.80, 2,983,113.87 and 1,194,674.28 is: 1,648,735.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,564.80 : 2,983,113.87 = 1,194,674.28 : x
  2. Step 2: Convert to fraction form
    2,161,564.80/2,983,113.87 = 1,194,674.28/x
  3. Step 3: Cross multiply
    2,161,564.80x = 2,983,113.87 × 1,194,674.28
  4. Step 4: Simplify right side
    2,161,564.80x = 3,563,849,414,800.26
  5. Step 5: Solve for x
    x = 3,563,849,414,800.26/2,161,564.80
  6. Step 6: Final answer
    x = 1,648,735.87

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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.