Home / 4,920,692.40-7,381,038.60-3,021,274.80

Finding the Fourth Proportional to 4,920,692.40, 7,381,038.60 and 3,021,274.80

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Solution

The fourth proportional to 4,920,692.40, 7,381,038.60 and 3,021,274.80 is: 4,531,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,692.40 : 7,381,038.60 = 3,021,274.80 : x
  2. Step 2: Convert to fraction form
    4,920,692.40/7,381,038.60 = 3,021,274.80/x
  3. Step 3: Cross multiply
    4,920,692.40x = 7,381,038.60 × 3,021,274.80
  4. Step 4: Simplify right side
    4,920,692.40x = 22,300,145,920,007.28
  5. Step 5: Solve for x
    x = 22,300,145,920,007.28/4,920,692.40
  6. Step 6: Final answer
    x = 4,531,912.20

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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.