Home / 1,971,345.60-2,720,497.12-1,111,741.12

Finding the Fourth Proportional to 1,971,345.60, 2,720,497.12 and 1,111,741.12

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Solution

The fourth proportional to 1,971,345.60, 2,720,497.12 and 1,111,741.12 is: 1,534,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,345.60 : 2,720,497.12 = 1,111,741.12 : x
  2. Step 2: Convert to fraction form
    1,971,345.60/2,720,497.12 = 1,111,741.12/x
  3. Step 3: Cross multiply
    1,971,345.60x = 2,720,497.12 × 1,111,741.12
  4. Step 4: Simplify right side
    1,971,345.60x = 3,024,488,515,145.58
  5. Step 5: Solve for x
    x = 3,024,488,515,145.58/1,971,345.60
  6. Step 6: Final answer
    x = 1,534,225.41

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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.