Home / 6,985,513.40-10,478,270.10-2,946,561.80

Finding the Fourth Proportional to 6,985,513.40, 10,478,270.10 and 2,946,561.80

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Solution

The fourth proportional to 6,985,513.40, 10,478,270.10 and 2,946,561.80 is: 4,419,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985,513.40 : 10,478,270.10 = 2,946,561.80 : x
  2. Step 2: Convert to fraction form
    6,985,513.40/10,478,270.10 = 2,946,561.80/x
  3. Step 3: Cross multiply
    6,985,513.40x = 10,478,270.10 × 2,946,561.80
  4. Step 4: Simplify right side
    6,985,513.40x = 30,874,870,406,742.18
  5. Step 5: Solve for x
    x = 30,874,870,406,742.18/6,985,513.40
  6. Step 6: Final answer
    x = 4,419,842.70

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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.