Home / 3,072,780.77-4,240,437.71-1,696,124.86

Finding the Fourth Proportional to 3,072,780.77, 4,240,437.71 and 1,696,124.86

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Solution

The fourth proportional to 3,072,780.77, 4,240,437.71 and 1,696,124.86 is: 2,340,652.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,780.77 : 4,240,437.71 = 1,696,124.86 : x
  2. Step 2: Convert to fraction form
    3,072,780.77/4,240,437.71 = 1,696,124.86/x
  3. Step 3: Cross multiply
    3,072,780.77x = 4,240,437.71 × 1,696,124.86
  4. Step 4: Simplify right side
    3,072,780.77x = 7,192,311,798,130.75
  5. Step 5: Solve for x
    x = 7,192,311,798,130.75/3,072,780.77
  6. Step 6: Final answer
    x = 2,340,652.44

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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.