Home / 4,678,828.20-7,021,352.70-2,657,068.20

Finding the Fourth Proportional to 4,678,828.20, 7,021,352.70 and 2,657,068.20

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Solution

The fourth proportional to 4,678,828.20, 7,021,352.70 and 2,657,068.20 is: 3,987,368.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,828.20 : 7,021,352.70 = 2,657,068.20 : x
  2. Step 2: Convert to fraction form
    4,678,828.20/7,021,352.70 = 2,657,068.20/x
  3. Step 3: Cross multiply
    4,678,828.20x = 7,021,352.70 × 2,657,068.20
  4. Step 4: Simplify right side
    4,678,828.20x = 18,656,212,980,154.14
  5. Step 5: Solve for x
    x = 18,656,212,980,154.14/4,678,828.20
  6. Step 6: Final answer
    x = 3,987,368.67

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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.