Home / 3,353,985.42-4,628,638.95-1,903,815.78

Finding the Fourth Proportional to 3,353,985.42, 4,628,638.95 and 1,903,815.78

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Solution

The fourth proportional to 3,353,985.42, 4,628,638.95 and 1,903,815.78 is: 2,627,344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353,985.42 : 4,628,638.95 = 1,903,815.78 : x
  2. Step 2: Convert to fraction form
    3,353,985.42/4,628,638.95 = 1,903,815.78/x
  3. Step 3: Cross multiply
    3,353,985.42x = 4,628,638.95 × 1,903,815.78
  4. Step 4: Simplify right side
    3,353,985.42x = 8,812,075,872,932.63
  5. Step 5: Solve for x
    x = 8,812,075,872,932.63/3,353,985.42
  6. Step 6: Final answer
    x = 2,627,344.72

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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.