Home / 1,977,041.34-2,964,980.70-839,794.50

Finding the Fourth Proportional to 1,977,041.34, 2,964,980.70 and 839,794.50

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Solution

The fourth proportional to 1,977,041.34, 2,964,980.70 and 839,794.50 is: 1,259,444.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,041.34 : 2,964,980.70 = 839,794.50 : x
  2. Step 2: Convert to fraction form
    1,977,041.34/2,964,980.70 = 839,794.50/x
  3. Step 3: Cross multiply
    1,977,041.34x = 2,964,980.70 × 839,794.50
  4. Step 4: Simplify right side
    1,977,041.34x = 2,489,974,484,466.15
  5. Step 5: Solve for x
    x = 2,489,974,484,466.15/1,977,041.34
  6. Step 6: Final answer
    x = 1,259,444.82

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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.