Home / 2,425,643.80-3,638,903.10-1,005,843.40

Finding the Fourth Proportional to 2,425,643.80, 3,638,903.10 and 1,005,843.40

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Solution

The fourth proportional to 2,425,643.80, 3,638,903.10 and 1,005,843.40 is: 1,508,946.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425,643.80 : 3,638,903.10 = 1,005,843.40 : x
  2. Step 2: Convert to fraction form
    2,425,643.80/3,638,903.10 = 1,005,843.40/x
  3. Step 3: Cross multiply
    2,425,643.80x = 3,638,903.10 × 1,005,843.40
  4. Step 4: Simplify right side
    2,425,643.80x = 3,660,166,666,374.54
  5. Step 5: Solve for x
    x = 3,660,166,666,374.54/2,425,643.80
  6. Step 6: Final answer
    x = 1,508,946.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.