Home / 3,072,870.65-4,240,540.76-1,677,426.64

Finding the Fourth Proportional to 3,072,870.65, 4,240,540.76 and 1,677,426.64

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Solution

The fourth proportional to 3,072,870.65, 4,240,540.76 and 1,677,426.64 is: 2,314,837.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,870.65 : 4,240,540.76 = 1,677,426.64 : x
  2. Step 2: Convert to fraction form
    3,072,870.65/4,240,540.76 = 1,677,426.64/x
  3. Step 3: Cross multiply
    3,072,870.65x = 4,240,540.76 × 1,677,426.64
  4. Step 4: Simplify right side
    3,072,870.65x = 7,113,196,019,841.36
  5. Step 5: Solve for x
    x = 7,113,196,019,841.36/3,072,870.65
  6. Step 6: Final answer
    x = 2,314,837.44

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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.