Home / 1,853,840.10-2,778,686.55-1,055,504.10

Finding the Fourth Proportional to 1,853,840.10, 2,778,686.55 and 1,055,504.10

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Solution

The fourth proportional to 1,853,840.10, 2,778,686.55 and 1,055,504.10 is: 1,582,075.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,840.10 : 2,778,686.55 = 1,055,504.10 : x
  2. Step 2: Convert to fraction form
    1,853,840.10/2,778,686.55 = 1,055,504.10/x
  3. Step 3: Cross multiply
    1,853,840.10x = 2,778,686.55 × 1,055,504.10
  4. Step 4: Simplify right side
    1,853,840.10x = 2,932,915,046,139.86
  5. Step 5: Solve for x
    x = 2,932,915,046,139.86/1,853,840.10
  6. Step 6: Final answer
    x = 1,582,075.52

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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.