Home / 2,106,346.10-2,906,751.30-1,139,476.20

Finding the Fourth Proportional to 2,106,346.10, 2,906,751.30 and 1,139,476.20

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Solution

The fourth proportional to 2,106,346.10, 2,906,751.30 and 1,139,476.20 is: 1,572,473.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,346.10 : 2,906,751.30 = 1,139,476.20 : x
  2. Step 2: Convert to fraction form
    2,106,346.10/2,906,751.30 = 1,139,476.20/x
  3. Step 3: Cross multiply
    2,106,346.10x = 2,906,751.30 × 1,139,476.20
  4. Step 4: Simplify right side
    2,106,346.10x = 3,312,173,925,669.06
  5. Step 5: Solve for x
    x = 3,312,173,925,669.06/2,106,346.10
  6. Step 6: Final answer
    x = 1,572,473.74

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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.