Home / 2,159,580-2,980,220.64-1,254,220.32

Finding the Fourth Proportional to 2,159,580, 2,980,220.64 and 1,254,220.32

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Solution

The fourth proportional to 2,159,580, 2,980,220.64 and 1,254,220.32 is: 1,730,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,580 : 2,980,220.64 = 1,254,220.32 : x
  2. Step 2: Convert to fraction form
    2,159,580/2,980,220.64 = 1,254,220.32/x
  3. Step 3: Cross multiply
    2,159,580x = 2,980,220.64 × 1,254,220.32
  4. Step 4: Simplify right side
    2,159,580x = 3,737,853,284,771.41
  5. Step 5: Solve for x
    x = 3,737,853,284,771.41/2,159,580
  6. Step 6: Final answer
    x = 1,730,824.18

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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.