Home / 3,670,271.40-5,505,407.10-3,138,830.40

Finding the Fourth Proportional to 3,670,271.40, 5,505,407.10 and 3,138,830.40

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Solution

The fourth proportional to 3,670,271.40, 5,505,407.10 and 3,138,830.40 is: 4,708,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,271.40 : 5,505,407.10 = 3,138,830.40 : x
  2. Step 2: Convert to fraction form
    3,670,271.40/5,505,407.10 = 3,138,830.40/x
  3. Step 3: Cross multiply
    3,670,271.40x = 5,505,407.10 × 3,138,830.40
  4. Step 4: Simplify right side
    3,670,271.40x = 17,280,539,169,855.84
  5. Step 5: Solve for x
    x = 17,280,539,169,855.84/3,670,271.40
  6. Step 6: Final answer
    x = 4,708,245.60

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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.