Home / 2,111,704.64-2,916,558.09-1,431,460.16

Finding the Fourth Proportional to 2,111,704.64, 2,916,558.09 and 1,431,460.16

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Solution

The fourth proportional to 2,111,704.64, 2,916,558.09 and 1,431,460.16 is: 1,977,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,704.64 : 2,916,558.09 = 1,431,460.16 : x
  2. Step 2: Convert to fraction form
    2,111,704.64/2,916,558.09 = 1,431,460.16/x
  3. Step 3: Cross multiply
    2,111,704.64x = 2,916,558.09 × 1,431,460.16
  4. Step 4: Simplify right side
    2,111,704.64x = 4,174,936,702,802.25
  5. Step 5: Solve for x
    x = 4,174,936,702,802.25/2,111,704.64
  6. Step 6: Final answer
    x = 1,977,045.76

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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.