Home / 2,030,604.80-2,802,039.36-1,214,643.20

Finding the Fourth Proportional to 2,030,604.80, 2,802,039.36 and 1,214,643.20

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Solution

The fourth proportional to 2,030,604.80, 2,802,039.36 and 1,214,643.20 is: 1,676,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030,604.80 : 2,802,039.36 = 1,214,643.20 : x
  2. Step 2: Convert to fraction form
    2,030,604.80/2,802,039.36 = 1,214,643.20/x
  3. Step 3: Cross multiply
    2,030,604.80x = 2,802,039.36 × 1,214,643.20
  4. Step 4: Simplify right side
    2,030,604.80x = 3,403,478,054,756.35
  5. Step 5: Solve for x
    x = 3,403,478,054,756.35/2,030,604.80
  6. Step 6: Final answer
    x = 1,676,090.82

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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.