Home / 3,112,947-4,295,932.47-1,754,820

Finding the Fourth Proportional to 3,112,947, 4,295,932.47 and 1,754,820

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Solution

The fourth proportional to 3,112,947, 4,295,932.47 and 1,754,820 is: 2,421,688.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,947 : 4,295,932.47 = 1,754,820 : x
  2. Step 2: Convert to fraction form
    3,112,947/4,295,932.47 = 1,754,820/x
  3. Step 3: Cross multiply
    3,112,947x = 4,295,932.47 × 1,754,820
  4. Step 4: Simplify right side
    3,112,947x = 7,538,588,217,005.40
  5. Step 5: Solve for x
    x = 7,538,588,217,005.40/3,112,947
  6. Step 6: Final answer
    x = 2,421,688.59

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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.