Home / 1,695,172.84-2,339,952.38-1,122,397.54

Finding the Fourth Proportional to 1,695,172.84, 2,339,952.38 and 1,122,397.54

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Solution

The fourth proportional to 1,695,172.84, 2,339,952.38 and 1,122,397.54 is: 1,549,315.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,172.84 : 2,339,952.38 = 1,122,397.54 : x
  2. Step 2: Convert to fraction form
    1,695,172.84/2,339,952.38 = 1,122,397.54/x
  3. Step 3: Cross multiply
    1,695,172.84x = 2,339,952.38 × 1,122,397.54
  4. Step 4: Simplify right side
    1,695,172.84x = 2,626,356,789,417.16
  5. Step 5: Solve for x
    x = 2,626,356,789,417.16/1,695,172.84
  6. Step 6: Final answer
    x = 1,549,315.05

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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.