Home / 4,779,768.42-7,172,964.09-1,900,840.50

Finding the Fourth Proportional to 4,779,768.42, 7,172,964.09 and 1,900,840.50

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Solution

The fourth proportional to 4,779,768.42, 7,172,964.09 and 1,900,840.50 is: 2,852,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779,768.42 : 7,172,964.09 = 1,900,840.50 : x
  2. Step 2: Convert to fraction form
    4,779,768.42/7,172,964.09 = 1,900,840.50/x
  3. Step 3: Cross multiply
    4,779,768.42x = 7,172,964.09 × 1,900,840.50
  4. Step 4: Simplify right side
    4,779,768.42x = 13,634,660,647,317.64
  5. Step 5: Solve for x
    x = 13,634,660,647,317.64/4,779,768.42
  6. Step 6: Final answer
    x = 2,852,577.67

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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.