Home / 1,971,518.34-2,720,967.63-1,155,922.86

Finding the Fourth Proportional to 1,971,518.34, 2,720,967.63 and 1,155,922.86

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Solution

The fourth proportional to 1,971,518.34, 2,720,967.63 and 1,155,922.86 is: 1,595,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,518.34 : 2,720,967.63 = 1,155,922.86 : x
  2. Step 2: Convert to fraction form
    1,971,518.34/2,720,967.63 = 1,155,922.86/x
  3. Step 3: Cross multiply
    1,971,518.34x = 2,720,967.63 × 1,155,922.86
  4. Step 4: Simplify right side
    1,971,518.34x = 3,145,228,684,837.02
  5. Step 5: Solve for x
    x = 3,145,228,684,837.02/1,971,518.34
  6. Step 6: Final answer
    x = 1,595,333.21

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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.