Home / 4,977,911.30-6,870,172.68-2,802,878.30

Finding the Fourth Proportional to 4,977,911.30, 6,870,172.68 and 2,802,878.30

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Solution

The fourth proportional to 4,977,911.30, 6,870,172.68 and 2,802,878.30 is: 3,868,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977,911.30 : 6,870,172.68 = 2,802,878.30 : x
  2. Step 2: Convert to fraction form
    4,977,911.30/6,870,172.68 = 2,802,878.30/x
  3. Step 3: Cross multiply
    4,977,911.30x = 6,870,172.68 × 2,802,878.30
  4. Step 4: Simplify right side
    4,977,911.30x = 19,256,257,922,024.84
  5. Step 5: Solve for x
    x = 19,256,257,922,024.84/4,977,911.30
  6. Step 6: Final answer
    x = 3,868,340.91

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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.