Home / 5,210,710.86-7,190,702.10-2,918,953.56

Finding the Fourth Proportional to 5,210,710.86, 7,190,702.10 and 2,918,953.56

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Solution

The fourth proportional to 5,210,710.86, 7,190,702.10 and 2,918,953.56 is: 4,028,111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210,710.86 : 7,190,702.10 = 2,918,953.56 : x
  2. Step 2: Convert to fraction form
    5,210,710.86/7,190,702.10 = 2,918,953.56/x
  3. Step 3: Cross multiply
    5,210,710.86x = 7,190,702.10 × 2,918,953.56
  4. Step 4: Simplify right side
    5,210,710.86x = 20,989,325,493,694.48
  5. Step 5: Solve for x
    x = 20,989,325,493,694.48/5,210,710.86
  6. Step 6: Final answer
    x = 4,028,111.72

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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.