Home / 3,020,813.71-4,168,841.12-1,662,813.07

Finding the Fourth Proportional to 3,020,813.71, 4,168,841.12 and 1,662,813.07

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Solution

The fourth proportional to 3,020,813.71, 4,168,841.12 and 1,662,813.07 is: 2,294,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,813.71 : 4,168,841.12 = 1,662,813.07 : x
  2. Step 2: Convert to fraction form
    3,020,813.71/4,168,841.12 = 1,662,813.07/x
  3. Step 3: Cross multiply
    3,020,813.71x = 4,168,841.12 × 1,662,813.07
  4. Step 4: Simplify right side
    3,020,813.71x = 6,932,003,501,089.44
  5. Step 5: Solve for x
    x = 6,932,003,501,089.44/3,020,813.71
  6. Step 6: Final answer
    x = 2,294,747.10

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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.