Home / 2,166,543.36-2,990,160-1,350,880

Finding the Fourth Proportional to 2,166,543.36, 2,990,160 and 1,350,880

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Solution

The fourth proportional to 2,166,543.36, 2,990,160 and 1,350,880 is: 1,864,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,543.36 : 2,990,160 = 1,350,880 : x
  2. Step 2: Convert to fraction form
    2,166,543.36/2,990,160 = 1,350,880/x
  3. Step 3: Cross multiply
    2,166,543.36x = 2,990,160 × 1,350,880
  4. Step 4: Simplify right side
    2,166,543.36x = 4,039,347,340,800
  5. Step 5: Solve for x
    x = 4,039,347,340,800/2,166,543.36
  6. Step 6: Final answer
    x = 1,864,420.26

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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.