Home / 3,072,829.40-4,609,244.10-1,637,938.70

Finding the Fourth Proportional to 3,072,829.40, 4,609,244.10 and 1,637,938.70

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Solution

The fourth proportional to 3,072,829.40, 4,609,244.10 and 1,637,938.70 is: 2,456,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,829.40 : 4,609,244.10 = 1,637,938.70 : x
  2. Step 2: Convert to fraction form
    3,072,829.40/4,609,244.10 = 1,637,938.70/x
  3. Step 3: Cross multiply
    3,072,829.40x = 4,609,244.10 × 1,637,938.70
  4. Step 4: Simplify right side
    3,072,829.40x = 7,549,659,289,136.67
  5. Step 5: Solve for x
    x = 7,549,659,289,136.67/3,072,829.40
  6. Step 6: Final answer
    x = 2,456,908.05

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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.