Home / 3,617,678.20-5,421,851.70-2,772,038.20

Finding the Fourth Proportional to 3,617,678.20, 5,421,851.70 and 2,772,038.20

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Solution

The fourth proportional to 3,617,678.20, 5,421,851.70 and 2,772,038.20 is: 4,154,482.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617,678.20 : 5,421,851.70 = 2,772,038.20 : x
  2. Step 2: Convert to fraction form
    3,617,678.20/5,421,851.70 = 2,772,038.20/x
  3. Step 3: Cross multiply
    3,617,678.20x = 5,421,851.70 × 2,772,038.20
  4. Step 4: Simplify right side
    3,617,678.20x = 15,029,580,027,134.94
  5. Step 5: Solve for x
    x = 15,029,580,027,134.94/3,617,678.20
  6. Step 6: Final answer
    x = 4,154,482.29

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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.