Home / 1,997,990.16-2,995,594.92-860,411.22

Finding the Fourth Proportional to 1,997,990.16, 2,995,594.92 and 860,411.22

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Solution

The fourth proportional to 1,997,990.16, 2,995,594.92 and 860,411.22 is: 1,290,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,990.16 : 2,995,594.92 = 860,411.22 : x
  2. Step 2: Convert to fraction form
    1,997,990.16/2,995,594.92 = 860,411.22/x
  3. Step 3: Cross multiply
    1,997,990.16x = 2,995,594.92 × 860,411.22
  4. Step 4: Simplify right side
    1,997,990.16x = 2,577,443,479,743.00
  5. Step 5: Solve for x
    x = 2,577,443,479,743.00/1,997,990.16
  6. Step 6: Final answer
    x = 1,290,018.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.