Home / 2,106,335.65-2,906,736.86-1,139,465.67

Finding the Fourth Proportional to 2,106,335.65, 2,906,736.86 and 1,139,465.67

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Solution

The fourth proportional to 2,106,335.65, 2,906,736.86 and 1,139,465.67 is: 1,572,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,335.65 : 2,906,736.86 = 1,139,465.67 : x
  2. Step 2: Convert to fraction form
    2,106,335.65/2,906,736.86 = 1,139,465.67/x
  3. Step 3: Cross multiply
    2,106,335.65x = 2,906,736.86 × 1,139,465.67
  4. Step 4: Simplify right side
    2,106,335.65x = 3,312,126,857,996.27
  5. Step 5: Solve for x
    x = 3,312,126,857,996.27/2,106,335.65
  6. Step 6: Final answer
    x = 1,572,459.20

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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.