Home / 7,239,444.40-10,859,166.60-2,978,196.40

Finding the Fourth Proportional to 7,239,444.40, 10,859,166.60 and 2,978,196.40

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Solution

The fourth proportional to 7,239,444.40, 10,859,166.60 and 2,978,196.40 is: 4,467,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,444.40 : 10,859,166.60 = 2,978,196.40 : x
  2. Step 2: Convert to fraction form
    7,239,444.40/10,859,166.60 = 2,978,196.40/x
  3. Step 3: Cross multiply
    7,239,444.40x = 10,859,166.60 × 2,978,196.40
  4. Step 4: Simplify right side
    7,239,444.40x = 32,340,730,875,120.24
  5. Step 5: Solve for x
    x = 32,340,730,875,120.24/7,239,444.40
  6. Step 6: Final answer
    x = 4,467,294.60

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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.