Home / 3,128,367.80-4,692,551.70-3,075,223.70

Finding the Fourth Proportional to 3,128,367.80, 4,692,551.70 and 3,075,223.70

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Solution

The fourth proportional to 3,128,367.80, 4,692,551.70 and 3,075,223.70 is: 4,612,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,367.80 : 4,692,551.70 = 3,075,223.70 : x
  2. Step 2: Convert to fraction form
    3,128,367.80/4,692,551.70 = 3,075,223.70/x
  3. Step 3: Cross multiply
    3,128,367.80x = 4,692,551.70 × 3,075,223.70
  4. Step 4: Simplify right side
    3,128,367.80x = 14,430,646,201,315.29
  5. Step 5: Solve for x
    x = 14,430,646,201,315.29/3,128,367.80
  6. Step 6: Final answer
    x = 4,612,835.55

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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.