Home / 2,815,178.16-3,884,916.75-1,574,772.36

Finding the Fourth Proportional to 2,815,178.16, 3,884,916.75 and 1,574,772.36

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Solution

The fourth proportional to 2,815,178.16, 3,884,916.75 and 1,574,772.36 is: 2,173,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,178.16 : 3,884,916.75 = 1,574,772.36 : x
  2. Step 2: Convert to fraction form
    2,815,178.16/3,884,916.75 = 1,574,772.36/x
  3. Step 3: Cross multiply
    2,815,178.16x = 3,884,916.75 × 1,574,772.36
  4. Step 4: Simplify right side
    2,815,178.16x = 6,117,859,511,468.13
  5. Step 5: Solve for x
    x = 6,117,859,511,468.13/2,815,178.16
  6. Step 6: Final answer
    x = 2,173,169.57

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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.