Home / 1,918,567.02-2,647,643.58-1,059,127.86

Finding the Fourth Proportional to 1,918,567.02, 2,647,643.58 and 1,059,127.86

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Solution

The fourth proportional to 1,918,567.02, 2,647,643.58 and 1,059,127.86 is: 1,461,608.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,567.02 : 2,647,643.58 = 1,059,127.86 : x
  2. Step 2: Convert to fraction form
    1,918,567.02/2,647,643.58 = 1,059,127.86/x
  3. Step 3: Cross multiply
    1,918,567.02x = 2,647,643.58 × 1,059,127.86
  4. Step 4: Simplify right side
    1,918,567.02x = 2,804,193,078,928.14
  5. Step 5: Solve for x
    x = 2,804,193,078,928.14/1,918,567.02
  6. Step 6: Final answer
    x = 1,461,608.09

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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.