Home / 2,111,702.81-2,916,555.59-1,431,458.33

Finding the Fourth Proportional to 2,111,702.81, 2,916,555.59 and 1,431,458.33

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Solution

The fourth proportional to 2,111,702.81, 2,916,555.59 and 1,431,458.33 is: 1,977,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,702.81 : 2,916,555.59 = 1,431,458.33 : x
  2. Step 2: Convert to fraction form
    2,111,702.81/2,916,555.59 = 1,431,458.33/x
  3. Step 3: Cross multiply
    2,111,702.81x = 2,916,555.59 × 1,431,458.33
  4. Step 4: Simplify right side
    2,111,702.81x = 4,174,927,794,347.66
  5. Step 5: Solve for x
    x = 4,174,927,794,347.66/2,111,702.81
  6. Step 6: Final answer
    x = 1,977,043.25

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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.