Home / 5,388,990.40-8,083,485.60-4,680,402.40

Finding the Fourth Proportional to 5,388,990.40, 8,083,485.60 and 4,680,402.40

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Solution

The fourth proportional to 5,388,990.40, 8,083,485.60 and 4,680,402.40 is: 7,020,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,990.40 : 8,083,485.60 = 4,680,402.40 : x
  2. Step 2: Convert to fraction form
    5,388,990.40/8,083,485.60 = 4,680,402.40/x
  3. Step 3: Cross multiply
    5,388,990.40x = 8,083,485.60 × 4,680,402.40
  4. Step 4: Simplify right side
    5,388,990.40x = 37,833,965,402,605.44
  5. Step 5: Solve for x
    x = 37,833,965,402,605.44/5,388,990.40
  6. Step 6: Final answer
    x = 7,020,603.60

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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.