Home / 1,985,378.99-2,739,878.28-1,114,267.73

Finding the Fourth Proportional to 1,985,378.99, 2,739,878.28 and 1,114,267.73

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Solution

The fourth proportional to 1,985,378.99, 2,739,878.28 and 1,114,267.73 is: 1,537,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,378.99 : 2,739,878.28 = 1,114,267.73 : x
  2. Step 2: Convert to fraction form
    1,985,378.99/2,739,878.28 = 1,114,267.73/x
  3. Step 3: Cross multiply
    1,985,378.99x = 2,739,878.28 × 1,114,267.73
  4. Step 4: Simplify right side
    1,985,378.99x = 3,052,957,937,832.51
  5. Step 5: Solve for x
    x = 3,052,957,937,832.51/1,985,378.99
  6. Step 6: Final answer
    x = 1,537,720.49

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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.