Home / 1,971,091.40-2,720,110.23-1,065,673.40

Finding the Fourth Proportional to 1,971,091.40, 2,720,110.23 and 1,065,673.40

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Solution

The fourth proportional to 1,971,091.40, 2,720,110.23 and 1,065,673.40 is: 1,470,631.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,091.40 : 2,720,110.23 = 1,065,673.40 : x
  2. Step 2: Convert to fraction form
    1,971,091.40/2,720,110.23 = 1,065,673.40/x
  3. Step 3: Cross multiply
    1,971,091.40x = 2,720,110.23 × 1,065,673.40
  4. Step 4: Simplify right side
    1,971,091.40x = 2,898,749,103,578.33
  5. Step 5: Solve for x
    x = 2,898,749,103,578.33/1,971,091.40
  6. Step 6: Final answer
    x = 1,470,631.50

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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.