Home / 1,662,128.81-2,295,629.66-1,117,319.77

Finding the Fourth Proportional to 1,662,128.81, 2,295,629.66 and 1,117,319.77

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Solution

The fourth proportional to 1,662,128.81, 2,295,629.66 and 1,117,319.77 is: 1,543,173.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,128.81 : 2,295,629.66 = 1,117,319.77 : x
  2. Step 2: Convert to fraction form
    1,662,128.81/2,295,629.66 = 1,117,319.77/x
  3. Step 3: Cross multiply
    1,662,128.81x = 2,295,629.66 × 1,117,319.77
  4. Step 4: Simplify right side
    1,662,128.81x = 2,564,952,403,094.29
  5. Step 5: Solve for x
    x = 2,564,952,403,094.29/1,662,128.81
  6. Step 6: Final answer
    x = 1,543,173.06

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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.