Home / 1,918,660.10-2,647,681.52-1,059,201.86

Finding the Fourth Proportional to 1,918,660.10, 2,647,681.52 and 1,059,201.86

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Solution

The fourth proportional to 1,918,660.10, 2,647,681.52 and 1,059,201.86 is: 1,461,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,660.10 : 2,647,681.52 = 1,059,201.86 : x
  2. Step 2: Convert to fraction form
    1,918,660.10/2,647,681.52 = 1,059,201.86/x
  3. Step 3: Cross multiply
    1,918,660.10x = 2,647,681.52 × 1,059,201.86
  4. Step 4: Simplify right side
    1,918,660.10x = 2,804,429,190,671.63
  5. Step 5: Solve for x
    x = 2,804,429,190,671.63/1,918,660.10
  6. Step 6: Final answer
    x = 1,461,660.24

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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.