Home / 3,119,208.75-4,304,508.08-1,688,424.75

Finding the Fourth Proportional to 3,119,208.75, 4,304,508.08 and 1,688,424.75

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Solution

The fourth proportional to 3,119,208.75, 4,304,508.08 and 1,688,424.75 is: 2,330,026.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,208.75 : 4,304,508.08 = 1,688,424.75 : x
  2. Step 2: Convert to fraction form
    3,119,208.75/4,304,508.08 = 1,688,424.75/x
  3. Step 3: Cross multiply
    3,119,208.75x = 4,304,508.08 × 1,688,424.75
  4. Step 4: Simplify right side
    3,119,208.75x = 7,267,837,970,404.86
  5. Step 5: Solve for x
    x = 7,267,837,970,404.86/3,119,208.75
  6. Step 6: Final answer
    x = 2,330,026.16

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1.5x scale

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.