Home / 1,890,138.88-2,608,454.64-1,030,746.16

Finding the Fourth Proportional to 1,890,138.88, 2,608,454.64 and 1,030,746.16

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Solution

The fourth proportional to 1,890,138.88, 2,608,454.64 and 1,030,746.16 is: 1,422,464.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,138.88 : 2,608,454.64 = 1,030,746.16 : x
  2. Step 2: Convert to fraction form
    1,890,138.88/2,608,454.64 = 1,030,746.16/x
  3. Step 3: Cross multiply
    1,890,138.88x = 2,608,454.64 × 1,030,746.16
  4. Step 4: Simplify right side
    1,890,138.88x = 2,688,654,603,714.18
  5. Step 5: Solve for x
    x = 2,688,654,603,714.18/1,890,138.88
  6. Step 6: Final answer
    x = 1,422,464.05

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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.