Home / 2,164,985.60-2,987,606.40-1,198,156.64

Finding the Fourth Proportional to 2,164,985.60, 2,987,606.40 and 1,198,156.64

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Solution

The fourth proportional to 2,164,985.60, 2,987,606.40 and 1,198,156.64 is: 1,653,415.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,985.60 : 2,987,606.40 = 1,198,156.64 : x
  2. Step 2: Convert to fraction form
    2,164,985.60/2,987,606.40 = 1,198,156.64/x
  3. Step 3: Cross multiply
    2,164,985.60x = 2,987,606.40 × 1,198,156.64
  4. Step 4: Simplify right side
    2,164,985.60x = 3,579,620,445,866.50
  5. Step 5: Solve for x
    x = 3,579,620,445,866.50/2,164,985.60
  6. Step 6: Final answer
    x = 1,653,415.36

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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.