Home / 1,687,362.84-2,329,647.48-1,505,762.46

Finding the Fourth Proportional to 1,687,362.84, 2,329,647.48 and 1,505,762.46

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Solution

The fourth proportional to 1,687,362.84, 2,329,647.48 and 1,505,762.46 is: 2,078,921.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,362.84 : 2,329,647.48 = 1,505,762.46 : x
  2. Step 2: Convert to fraction form
    1,687,362.84/2,329,647.48 = 1,505,762.46/x
  3. Step 3: Cross multiply
    1,687,362.84x = 2,329,647.48 × 1,505,762.46
  4. Step 4: Simplify right side
    1,687,362.84x = 3,507,895,720,417.60
  5. Step 5: Solve for x
    x = 3,507,895,720,417.60/1,687,362.84
  6. Step 6: Final answer
    x = 2,078,921.99

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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.