Home / 3,138,225.06-4,709,153.72-1,316,426.85

Finding the Fourth Proportional to 3,138,225.06, 4,709,153.72 and 1,316,426.85

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Solution

The fourth proportional to 3,138,225.06, 4,709,153.72 and 1,316,426.85 is: 1,975,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,225.06 : 4,709,153.72 = 1,316,426.85 : x
  2. Step 2: Convert to fraction form
    3,138,225.06/4,709,153.72 = 1,316,426.85/x
  3. Step 3: Cross multiply
    3,138,225.06x = 4,709,153.72 × 1,316,426.85
  4. Step 4: Simplify right side
    3,138,225.06x = 6,199,256,367,657.48
  5. Step 5: Solve for x
    x = 6,199,256,367,657.48/3,138,225.06
  6. Step 6: Final answer
    x = 1,975,402.10

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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.