Home / 2,160,063.59-2,980,978.26-1,242,293.36

Finding the Fourth Proportional to 2,160,063.59, 2,980,978.26 and 1,242,293.36

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Solution

The fourth proportional to 2,160,063.59, 2,980,978.26 and 1,242,293.36 is: 1,714,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,063.59 : 2,980,978.26 = 1,242,293.36 : x
  2. Step 2: Convert to fraction form
    2,160,063.59/2,980,978.26 = 1,242,293.36/x
  3. Step 3: Cross multiply
    2,160,063.59x = 2,980,978.26 × 1,242,293.36
  4. Step 4: Simplify right side
    2,160,063.59x = 3,703,249,498,702.35
  5. Step 5: Solve for x
    x = 3,703,249,498,702.35/2,160,063.59
  6. Step 6: Final answer
    x = 1,714,416.89

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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.