Home / 1,813,271.60-2,719,907.40-1,281,830.60

Finding the Fourth Proportional to 1,813,271.60, 2,719,907.40 and 1,281,830.60

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Solution

The fourth proportional to 1,813,271.60, 2,719,907.40 and 1,281,830.60 is: 1,922,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,271.60 : 2,719,907.40 = 1,281,830.60 : x
  2. Step 2: Convert to fraction form
    1,813,271.60/2,719,907.40 = 1,281,830.60/x
  3. Step 3: Cross multiply
    1,813,271.60x = 2,719,907.40 × 1,281,830.60
  4. Step 4: Simplify right side
    1,813,271.60x = 3,486,460,534,486.44
  5. Step 5: Solve for x
    x = 3,486,460,534,486.44/1,813,271.60
  6. Step 6: Final answer
    x = 1,922,745.90

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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.