Home / 5,353,355.05-7,387,639.34-2,905,967.76

Finding the Fourth Proportional to 5,353,355.05, 7,387,639.34 and 2,905,967.76

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Solution

The fourth proportional to 5,353,355.05, 7,387,639.34 and 2,905,967.76 is: 4,010,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353,355.05 : 7,387,639.34 = 2,905,967.76 : x
  2. Step 2: Convert to fraction form
    5,353,355.05/7,387,639.34 = 2,905,967.76/x
  3. Step 3: Cross multiply
    5,353,355.05x = 7,387,639.34 × 2,905,967.76
  4. Step 4: Simplify right side
    5,353,355.05x = 21,468,241,744,547.68
  5. Step 5: Solve for x
    x = 21,468,241,744,547.68/5,353,355.05
  6. Step 6: Final answer
    x = 4,010,240.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.