Home / 3,866,704.58-5,336,136.88-2,124,396.40

Finding the Fourth Proportional to 3,866,704.58, 5,336,136.88 and 2,124,396.40

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Solution

The fourth proportional to 3,866,704.58, 5,336,136.88 and 2,124,396.40 is: 2,931,713.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866,704.58 : 5,336,136.88 = 2,124,396.40 : x
  2. Step 2: Convert to fraction form
    3,866,704.58/5,336,136.88 = 2,124,396.40/x
  3. Step 3: Cross multiply
    3,866,704.58x = 5,336,136.88 × 2,124,396.40
  4. Step 4: Simplify right side
    3,866,704.58x = 11,336,069,977,779.23
  5. Step 5: Solve for x
    x = 11,336,069,977,779.23/3,866,704.58
  6. Step 6: Final answer
    x = 2,931,713.49

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1.5x scale

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.