Home / 2,159,893.35-2,980,645.44-1,242,079.16

Finding the Fourth Proportional to 2,159,893.35, 2,980,645.44 and 1,242,079.16

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Solution

The fourth proportional to 2,159,893.35, 2,980,645.44 and 1,242,079.16 is: 1,714,065.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,893.35 : 2,980,645.44 = 1,242,079.16 : x
  2. Step 2: Convert to fraction form
    2,159,893.35/2,980,645.44 = 1,242,079.16/x
  3. Step 3: Cross multiply
    2,159,893.35x = 2,980,645.44 × 1,242,079.16
  4. Step 4: Simplify right side
    2,159,893.35x = 3,702,197,588,564.83
  5. Step 5: Solve for x
    x = 3,702,197,588,564.83/2,159,893.35
  6. Step 6: Final answer
    x = 1,714,065.00

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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.