Home / 5,163,089.92-7,124,518.40-2,870,880.64

Finding the Fourth Proportional to 5,163,089.92, 7,124,518.40 and 2,870,880.64

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Solution

The fourth proportional to 5,163,089.92, 7,124,518.40 and 2,870,880.64 is: 3,961,511.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163,089.92 : 7,124,518.40 = 2,870,880.64 : x
  2. Step 2: Convert to fraction form
    5,163,089.92/7,124,518.40 = 2,870,880.64/x
  3. Step 3: Cross multiply
    5,163,089.92x = 7,124,518.40 × 2,870,880.64
  4. Step 4: Simplify right side
    5,163,089.92x = 20,453,641,943,883.78
  5. Step 5: Solve for x
    x = 20,453,641,943,883.78/5,163,089.92
  6. Step 6: Final answer
    x = 3,961,511.86

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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.