Home / 1,600,619.93-2,208,926.27-921,775.13

Finding the Fourth Proportional to 1,600,619.93, 2,208,926.27 and 921,775.13

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Solution

The fourth proportional to 1,600,619.93, 2,208,926.27 and 921,775.13 is: 1,272,090.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,619.93 : 2,208,926.27 = 921,775.13 : x
  2. Step 2: Convert to fraction form
    1,600,619.93/2,208,926.27 = 921,775.13/x
  3. Step 3: Cross multiply
    1,600,619.93x = 2,208,926.27 × 921,775.13
  4. Step 4: Simplify right side
    1,600,619.93x = 2,036,133,299,689.67
  5. Step 5: Solve for x
    x = 2,036,133,299,689.67/1,600,619.93
  6. Step 6: Final answer
    x = 1,272,090.43

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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.