Home / 6,840,878.40-10,254,549.60-3,240,316.80

Finding the Fourth Proportional to 6,840,878.40, 10,254,549.60 and 3,240,316.80

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Solution

The fourth proportional to 6,840,878.40, 10,254,549.60 and 3,240,316.80 is: 4,857,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840,878.40 : 10,254,549.60 = 3,240,316.80 : x
  2. Step 2: Convert to fraction form
    6,840,878.40/10,254,549.60 = 3,240,316.80/x
  3. Step 3: Cross multiply
    6,840,878.40x = 10,254,549.60 × 3,240,316.80
  4. Step 4: Simplify right side
    6,840,878.40x = 33,227,989,345,313.28
  5. Step 5: Solve for x
    x = 33,227,989,345,313.28/6,840,878.40
  6. Step 6: Final answer
    x = 4,857,269.40

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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.