Home / 6,477,022.60-9,715,533.90-1,988,715.40

Finding the Fourth Proportional to 6,477,022.60, 9,715,533.90 and 1,988,715.40

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Solution

The fourth proportional to 6,477,022.60, 9,715,533.90 and 1,988,715.40 is: 2,983,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477,022.60 : 9,715,533.90 = 1,988,715.40 : x
  2. Step 2: Convert to fraction form
    6,477,022.60/9,715,533.90 = 1,988,715.40/x
  3. Step 3: Cross multiply
    6,477,022.60x = 9,715,533.90 × 1,988,715.40
  4. Step 4: Simplify right side
    6,477,022.60x = 19,321,431,886,152.06
  5. Step 5: Solve for x
    x = 19,321,431,886,152.06/6,477,022.60
  6. Step 6: Final answer
    x = 2,983,073.10

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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.