Home / 4,865,990.40-7,303,132.80-2,174,457.60

Finding the Fourth Proportional to 4,865,990.40, 7,303,132.80 and 2,174,457.60

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Solution

The fourth proportional to 4,865,990.40, 7,303,132.80 and 2,174,457.60 is: 3,263,539.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865,990.40 : 7,303,132.80 = 2,174,457.60 : x
  2. Step 2: Convert to fraction form
    4,865,990.40/7,303,132.80 = 2,174,457.60/x
  3. Step 3: Cross multiply
    4,865,990.40x = 7,303,132.80 × 2,174,457.60
  4. Step 4: Simplify right side
    4,865,990.40x = 15,880,352,620,769.28
  5. Step 5: Solve for x
    x = 15,880,352,620,769.28/4,865,990.40
  6. Step 6: Final answer
    x = 3,263,539.65

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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.