Home / 2,074,417.20-3,111,620.40-578,509.20

Finding the Fourth Proportional to 2,074,417.20, 3,111,620.40 and 578,509.20

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Solution

The fourth proportional to 2,074,417.20, 3,111,620.40 and 578,509.20 is: 867,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,417.20 : 3,111,620.40 = 578,509.20 : x
  2. Step 2: Convert to fraction form
    2,074,417.20/3,111,620.40 = 578,509.20/x
  3. Step 3: Cross multiply
    2,074,417.20x = 3,111,620.40 × 578,509.20
  4. Step 4: Simplify right side
    2,074,417.20x = 1,800,101,028,307.68
  5. Step 5: Solve for x
    x = 1,800,101,028,307.68/2,074,417.20
  6. Step 6: Final answer
    x = 867,762.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.