Home / 4,697,620.40-7,046,430.60-2,178,196.40

Finding the Fourth Proportional to 4,697,620.40, 7,046,430.60 and 2,178,196.40

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Solution

The fourth proportional to 4,697,620.40, 7,046,430.60 and 2,178,196.40 is: 3,267,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,697,620.40 : 7,046,430.60 = 2,178,196.40 : x
  2. Step 2: Convert to fraction form
    4,697,620.40/7,046,430.60 = 2,178,196.40/x
  3. Step 3: Cross multiply
    4,697,620.40x = 7,046,430.60 × 2,178,196.40
  4. Step 4: Simplify right side
    4,697,620.40x = 15,348,509,765,769.84
  5. Step 5: Solve for x
    x = 15,348,509,765,769.84/4,697,620.40
  6. Step 6: Final answer
    x = 3,267,294.60

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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.