Home / 3,870,013.48-5,340,484.09-2,493,415.22

Finding the Fourth Proportional to 3,870,013.48, 5,340,484.09 and 2,493,415.22

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Solution

The fourth proportional to 3,870,013.48, 5,340,484.09 and 2,493,415.22 is: 3,440,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,013.48 : 5,340,484.09 = 2,493,415.22 : x
  2. Step 2: Convert to fraction form
    3,870,013.48/5,340,484.09 = 2,493,415.22/x
  3. Step 3: Cross multiply
    3,870,013.48x = 5,340,484.09 × 2,493,415.22
  4. Step 4: Simplify right side
    3,870,013.48x = 13,316,044,312,173.85
  5. Step 5: Solve for x
    x = 13,316,044,312,173.85/3,870,013.48
  6. Step 6: Final answer
    x = 3,440,826.34

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1.5x scale

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.