Home / 2,159,684.40-2,980,695.62-1,333,239.24

Finding the Fourth Proportional to 2,159,684.40, 2,980,695.62 and 1,333,239.24

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Solution

The fourth proportional to 2,159,684.40, 2,980,695.62 and 1,333,239.24 is: 1,840,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,684.40 : 2,980,695.62 = 1,333,239.24 : x
  2. Step 2: Convert to fraction form
    2,159,684.40/2,980,695.62 = 1,333,239.24/x
  3. Step 3: Cross multiply
    2,159,684.40x = 2,980,695.62 × 1,333,239.24
  4. Step 4: Simplify right side
    2,159,684.40x = 3,973,980,363,080.13
  5. Step 5: Solve for x
    x = 3,973,980,363,080.13/2,159,684.40
  6. Step 6: Final answer
    x = 1,840,074.58

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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.