Home / 2,074,885.80-3,112,328.70-578,977.80

Finding the Fourth Proportional to 2,074,885.80, 3,112,328.70 and 578,977.80

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Solution

The fourth proportional to 2,074,885.80, 3,112,328.70 and 578,977.80 is: 868,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,885.80 : 3,112,328.70 = 578,977.80 : x
  2. Step 2: Convert to fraction form
    2,074,885.80/3,112,328.70 = 578,977.80/x
  3. Step 3: Cross multiply
    2,074,885.80x = 3,112,328.70 × 578,977.80
  4. Step 4: Simplify right side
    2,074,885.80x = 1,801,969,223,602.86
  5. Step 5: Solve for x
    x = 1,801,969,223,602.86/2,074,885.80
  6. Step 6: Final answer
    x = 868,466.70

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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.