Home / 3,621,312.60-5,431,968.90-1,225,235.40

Finding the Fourth Proportional to 3,621,312.60, 5,431,968.90 and 1,225,235.40

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Solution

The fourth proportional to 3,621,312.60, 5,431,968.90 and 1,225,235.40 is: 1,837,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,312.60 : 5,431,968.90 = 1,225,235.40 : x
  2. Step 2: Convert to fraction form
    3,621,312.60/5,431,968.90 = 1,225,235.40/x
  3. Step 3: Cross multiply
    3,621,312.60x = 5,431,968.90 × 1,225,235.40
  4. Step 4: Simplify right side
    3,621,312.60x = 6,655,440,587,979.06
  5. Step 5: Solve for x
    x = 6,655,440,587,979.06/3,621,312.60
  6. Step 6: Final answer
    x = 1,837,853.10

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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.