Home / 1,915,339.86-2,865,913.09-1,535,107.37

Finding the Fourth Proportional to 1,915,339.86, 2,865,913.09 and 1,535,107.37

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Solution

The fourth proportional to 1,915,339.86, 2,865,913.09 and 1,535,107.37 is: 2,296,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,339.86 : 2,865,913.09 = 1,535,107.37 : x
  2. Step 2: Convert to fraction form
    1,915,339.86/2,865,913.09 = 1,535,107.37/x
  3. Step 3: Cross multiply
    1,915,339.86x = 2,865,913.09 × 1,535,107.37
  4. Step 4: Simplify right side
    1,915,339.86x = 4,399,484,288,071.14
  5. Step 5: Solve for x
    x = 4,399,484,288,071.14/1,915,339.86
  6. Step 6: Final answer
    x = 2,296,973.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.