Home / 6,900,958.80-10,351,438.20-1,852,779.60

Finding the Fourth Proportional to 6,900,958.80, 10,351,438.20 and 1,852,779.60

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Solution

The fourth proportional to 6,900,958.80, 10,351,438.20 and 1,852,779.60 is: 2,779,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900,958.80 : 10,351,438.20 = 1,852,779.60 : x
  2. Step 2: Convert to fraction form
    6,900,958.80/10,351,438.20 = 1,852,779.60/x
  3. Step 3: Cross multiply
    6,900,958.80x = 10,351,438.20 × 1,852,779.60
  4. Step 4: Simplify right side
    6,900,958.80x = 19,178,933,527,620.72
  5. Step 5: Solve for x
    x = 19,178,933,527,620.72/6,900,958.80
  6. Step 6: Final answer
    x = 2,779,169.40

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1.5x scale

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.