Home / 1,628,880.40-2,430,094.57-1,540,700.56

Finding the Fourth Proportional to 1,628,880.40, 2,430,094.57 and 1,540,700.56

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Solution

The fourth proportional to 1,628,880.40, 2,430,094.57 and 1,540,700.56 is: 2,298,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,880.40 : 2,430,094.57 = 1,540,700.56 : x
  2. Step 2: Convert to fraction form
    1,628,880.40/2,430,094.57 = 1,540,700.56/x
  3. Step 3: Cross multiply
    1,628,880.40x = 2,430,094.57 × 1,540,700.56
  4. Step 4: Simplify right side
    1,628,880.40x = 3,744,048,052,036.16
  5. Step 5: Solve for x
    x = 3,744,048,052,036.16/1,628,880.40
  6. Step 6: Final answer
    x = 2,298,540.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.