Home / 2,141,779.96-2,955,628.74-1,223,998.57

Finding the Fourth Proportional to 2,141,779.96, 2,955,628.74 and 1,223,998.57

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Solution

The fourth proportional to 2,141,779.96, 2,955,628.74 and 1,223,998.57 is: 1,689,102.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,779.96 : 2,955,628.74 = 1,223,998.57 : x
  2. Step 2: Convert to fraction form
    2,141,779.96/2,955,628.74 = 1,223,998.57/x
  3. Step 3: Cross multiply
    2,141,779.96x = 2,955,628.74 × 1,223,998.57
  4. Step 4: Simplify right side
    2,141,779.96x = 3,617,685,351,210.90
  5. Step 5: Solve for x
    x = 3,617,685,351,210.90/2,141,779.96
  6. Step 6: Final answer
    x = 1,689,102.25

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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.