Home / 1,891,215.24-2,609,864.64-1,075,419.06

Finding the Fourth Proportional to 1,891,215.24, 2,609,864.64 and 1,075,419.06

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Solution

The fourth proportional to 1,891,215.24, 2,609,864.64 and 1,075,419.06 is: 1,484,071.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,215.24 : 2,609,864.64 = 1,075,419.06 : x
  2. Step 2: Convert to fraction form
    1,891,215.24/2,609,864.64 = 1,075,419.06/x
  3. Step 3: Cross multiply
    1,891,215.24x = 2,609,864.64 × 1,075,419.06
  4. Step 4: Simplify right side
    1,891,215.24x = 2,806,698,177,876.04
  5. Step 5: Solve for x
    x = 2,806,698,177,876.04/1,891,215.24
  6. Step 6: Final answer
    x = 1,484,071.26

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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.