Home / 2,890,640-4,356,276.14-2,602,803.80

Finding the Fourth Proportional to 2,890,640, 4,356,276.14 and 2,602,803.80

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Solution

The fourth proportional to 2,890,640, 4,356,276.14 and 2,602,803.80 is: 3,922,498.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,640 : 4,356,276.14 = 2,602,803.80 : x
  2. Step 2: Convert to fraction form
    2,890,640/4,356,276.14 = 2,602,803.80/x
  3. Step 3: Cross multiply
    2,890,640x = 4,356,276.14 × 2,602,803.80
  4. Step 4: Simplify right side
    2,890,640x = 11,338,532,091,041.33
  5. Step 5: Solve for x
    x = 11,338,532,091,041.33/2,890,640
  6. Step 6: Final answer
    x = 3,922,498.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.