Home / 4,885,651.61-6,741,189.60-2,820,631.40

Finding the Fourth Proportional to 4,885,651.61, 6,741,189.60 and 2,820,631.40

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Solution

The fourth proportional to 4,885,651.61, 6,741,189.60 and 2,820,631.40 is: 3,891,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885,651.61 : 6,741,189.60 = 2,820,631.40 : x
  2. Step 2: Convert to fraction form
    4,885,651.61/6,741,189.60 = 2,820,631.40/x
  3. Step 3: Cross multiply
    4,885,651.61x = 6,741,189.60 × 2,820,631.40
  4. Step 4: Simplify right side
    4,885,651.61x = 19,014,411,059,113.44
  5. Step 5: Solve for x
    x = 19,014,411,059,113.44/4,885,651.61
  6. Step 6: Final answer
    x = 3,891,888.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.