Home / 2,698,679.70-4,048,683.85-1,901,518.20

Finding the Fourth Proportional to 2,698,679.70, 4,048,683.85 and 1,901,518.20

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Solution

The fourth proportional to 2,698,679.70, 4,048,683.85 and 1,901,518.20 is: 2,852,745.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,679.70 : 4,048,683.85 = 1,901,518.20 : x
  2. Step 2: Convert to fraction form
    2,698,679.70/4,048,683.85 = 1,901,518.20/x
  3. Step 3: Cross multiply
    2,698,679.70x = 4,048,683.85 × 1,901,518.20
  4. Step 4: Simplify right side
    2,698,679.70x = 7,698,646,026,821.07
  5. Step 5: Solve for x
    x = 7,698,646,026,821.07/2,698,679.70
  6. Step 6: Final answer
    x = 2,852,745.37

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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.