Home / 3,406,479.72-4,700,783.76-1,955,153.64

Finding the Fourth Proportional to 3,406,479.72, 4,700,783.76 and 1,955,153.64

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Solution

The fourth proportional to 3,406,479.72, 4,700,783.76 and 1,955,153.64 is: 2,698,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406,479.72 : 4,700,783.76 = 1,955,153.64 : x
  2. Step 2: Convert to fraction form
    3,406,479.72/4,700,783.76 = 1,955,153.64/x
  3. Step 3: Cross multiply
    3,406,479.72x = 4,700,783.76 × 1,955,153.64
  4. Step 4: Simplify right side
    3,406,479.72x = 9,190,754,479,216.89
  5. Step 5: Solve for x
    x = 9,190,754,479,216.89/3,406,479.72
  6. Step 6: Final answer
    x = 2,698,021.19

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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.