Home / 2,911,323.09-4,017,641.80-1,688,353.71

Finding the Fourth Proportional to 2,911,323.09, 4,017,641.80 and 1,688,353.71

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Solution

The fourth proportional to 2,911,323.09, 4,017,641.80 and 1,688,353.71 is: 2,329,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,323.09 : 4,017,641.80 = 1,688,353.71 : x
  2. Step 2: Convert to fraction form
    2,911,323.09/4,017,641.80 = 1,688,353.71/x
  3. Step 3: Cross multiply
    2,911,323.09x = 4,017,641.80 × 1,688,353.71
  4. Step 4: Simplify right side
    2,911,323.09x = 6,783,200,444,958.94
  5. Step 5: Solve for x
    x = 6,783,200,444,958.94/2,911,323.09
  6. Step 6: Final answer
    x = 2,329,937.36

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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.