Home / 3,186,421.65-4,397,205.92-1,736,127.45

Finding the Fourth Proportional to 3,186,421.65, 4,397,205.92 and 1,736,127.45

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Solution

The fourth proportional to 3,186,421.65, 4,397,205.92 and 1,736,127.45 is: 2,395,825.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,421.65 : 4,397,205.92 = 1,736,127.45 : x
  2. Step 2: Convert to fraction form
    3,186,421.65/4,397,205.92 = 1,736,127.45/x
  3. Step 3: Cross multiply
    3,186,421.65x = 4,397,205.92 × 1,736,127.45
  4. Step 4: Simplify right side
    3,186,421.65x = 7,634,109,892,333.87
  5. Step 5: Solve for x
    x = 7,634,109,892,333.87/3,186,421.65
  6. Step 6: Final answer
    x = 2,395,825.39

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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.