Home / 1,971,785.03-2,721,089.77-1,112,342.63

Finding the Fourth Proportional to 1,971,785.03, 2,721,089.77 and 1,112,342.63

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Solution

The fourth proportional to 1,971,785.03, 2,721,089.77 and 1,112,342.63 is: 1,535,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,785.03 : 2,721,089.77 = 1,112,342.63 : x
  2. Step 2: Convert to fraction form
    1,971,785.03/2,721,089.77 = 1,112,342.63/x
  3. Step 3: Cross multiply
    1,971,785.03x = 2,721,089.77 × 1,112,342.63
  4. Step 4: Simplify right side
    1,971,785.03x = 3,026,784,137,622.45
  5. Step 5: Solve for x
    x = 3,026,784,137,622.45/1,971,785.03
  6. Step 6: Final answer
    x = 1,535,047.74

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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.