Home / 1,891,021.51-2,609,732.91-1,075,301.14

Finding the Fourth Proportional to 1,891,021.51, 2,609,732.91 and 1,075,301.14

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Solution

The fourth proportional to 1,891,021.51, 2,609,732.91 and 1,075,301.14 is: 1,483,985.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,021.51 : 2,609,732.91 = 1,075,301.14 : x
  2. Step 2: Convert to fraction form
    1,891,021.51/2,609,732.91 = 1,075,301.14/x
  3. Step 3: Cross multiply
    1,891,021.51x = 2,609,732.91 × 1,075,301.14
  4. Step 4: Simplify right side
    1,891,021.51x = 2,806,248,773,218.52
  5. Step 5: Solve for x
    x = 2,806,248,773,218.52/1,891,021.51
  6. Step 6: Final answer
    x = 1,483,985.64

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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.