Home / 2,111,703.54-2,916,556.58-1,431,459.06

Finding the Fourth Proportional to 2,111,703.54, 2,916,556.58 and 1,431,459.06

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Solution

The fourth proportional to 2,111,703.54, 2,916,556.58 and 1,431,459.06 is: 1,977,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,703.54 : 2,916,556.58 = 1,431,459.06 : x
  2. Step 2: Convert to fraction form
    2,111,703.54/2,916,556.58 = 1,431,459.06/x
  3. Step 3: Cross multiply
    2,111,703.54x = 2,916,556.58 × 1,431,459.06
  4. Step 4: Simplify right side
    2,111,703.54x = 4,174,931,343,301.05
  5. Step 5: Solve for x
    x = 4,174,931,343,301.05/2,111,703.54
  6. Step 6: Final answer
    x = 1,977,044.25

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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.