Home / 5,357,639.20-8,036,458.80-3,562,938.40

Finding the Fourth Proportional to 5,357,639.20, 8,036,458.80 and 3,562,938.40

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Solution

The fourth proportional to 5,357,639.20, 8,036,458.80 and 3,562,938.40 is: 5,344,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357,639.20 : 8,036,458.80 = 3,562,938.40 : x
  2. Step 2: Convert to fraction form
    5,357,639.20/8,036,458.80 = 3,562,938.40/x
  3. Step 3: Cross multiply
    5,357,639.20x = 8,036,458.80 × 3,562,938.40
  4. Step 4: Simplify right side
    5,357,639.20x = 28,633,407,658,537.92
  5. Step 5: Solve for x
    x = 28,633,407,658,537.92/5,357,639.20
  6. Step 6: Final answer
    x = 5,344,407.60

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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.