Home / 5,173,209.24-7,139,030.86-2,999,012.92

Finding the Fourth Proportional to 5,173,209.24, 7,139,030.86 and 2,999,012.92

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Solution

The fourth proportional to 5,173,209.24, 7,139,030.86 and 2,999,012.92 is: 4,138,639.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,209.24 : 7,139,030.86 = 2,999,012.92 : x
  2. Step 2: Convert to fraction form
    5,173,209.24/7,139,030.86 = 2,999,012.92/x
  3. Step 3: Cross multiply
    5,173,209.24x = 7,139,030.86 × 2,999,012.92
  4. Step 4: Simplify right side
    5,173,209.24x = 21,410,045,785,418.71
  5. Step 5: Solve for x
    x = 21,410,045,785,418.71/5,173,209.24
  6. Step 6: Final answer
    x = 4,138,639.05

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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.