Home / 3,685,870.56-5,528,893.32-990,199.20

Finding the Fourth Proportional to 3,685,870.56, 5,528,893.32 and 990,199.20

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Solution

The fourth proportional to 3,685,870.56, 5,528,893.32 and 990,199.20 is: 1,485,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685,870.56 : 5,528,893.32 = 990,199.20 : x
  2. Step 2: Convert to fraction form
    3,685,870.56/5,528,893.32 = 990,199.20/x
  3. Step 3: Cross multiply
    3,685,870.56x = 5,528,893.32 × 990,199.20
  4. Step 4: Simplify right side
    3,685,870.56x = 5,474,705,742,349.34
  5. Step 5: Solve for x
    x = 5,474,705,742,349.34/3,685,870.56
  6. Step 6: Final answer
    x = 1,485,322.30

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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.