Home / 4,956,426-6,839,985.78-2,781,130.08

Finding the Fourth Proportional to 4,956,426, 6,839,985.78 and 2,781,130.08

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Solution

The fourth proportional to 4,956,426, 6,839,985.78 and 2,781,130.08 is: 3,838,025.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,956,426 : 6,839,985.78 = 2,781,130.08 : x
  2. Step 2: Convert to fraction form
    4,956,426/6,839,985.78 = 2,781,130.08/x
  3. Step 3: Cross multiply
    4,956,426x = 6,839,985.78 × 2,781,130.08
  4. Step 4: Simplify right side
    4,956,426x = 19,022,890,199,530.26
  5. Step 5: Solve for x
    x = 19,022,890,199,530.26/4,956,426
  6. Step 6: Final answer
    x = 3,838,025.67

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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.