Home / 3,349,126.85-4,621,655.49-1,898,920.40

Finding the Fourth Proportional to 3,349,126.85, 4,621,655.49 and 1,898,920.40

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Solution

The fourth proportional to 3,349,126.85, 4,621,655.49 and 1,898,920.40 is: 2,620,431.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349,126.85 : 4,621,655.49 = 1,898,920.40 : x
  2. Step 2: Convert to fraction form
    3,349,126.85/4,621,655.49 = 1,898,920.40/x
  3. Step 3: Cross multiply
    3,349,126.85x = 4,621,655.49 × 1,898,920.40
  4. Step 4: Simplify right side
    3,349,126.85x = 8,776,155,891,733.00
  5. Step 5: Solve for x
    x = 8,776,155,891,733.00/3,349,126.85
  6. Step 6: Final answer
    x = 2,620,431.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.