Home / 2,985,995.58-4,478,996.40-742,133.58

Finding the Fourth Proportional to 2,985,995.58, 4,478,996.40 and 742,133.58

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Solution

The fourth proportional to 2,985,995.58, 4,478,996.40 and 742,133.58 is: 1,113,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,995.58 : 4,478,996.40 = 742,133.58 : x
  2. Step 2: Convert to fraction form
    2,985,995.58/4,478,996.40 = 742,133.58/x
  3. Step 3: Cross multiply
    2,985,995.58x = 4,478,996.40 × 742,133.58
  4. Step 4: Simplify right side
    2,985,995.58x = 3,324,013,633,139.11
  5. Step 5: Solve for x
    x = 3,324,013,633,139.11/2,985,995.58
  6. Step 6: Final answer
    x = 1,113,201.12

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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.