Home / 2,085,492.36-3,129,420.90-1,125,935.16

Finding the Fourth Proportional to 2,085,492.36, 3,129,420.90 and 1,125,935.16

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Solution

The fourth proportional to 2,085,492.36, 3,129,420.90 and 1,125,935.16 is: 1,689,541.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,492.36 : 3,129,420.90 = 1,125,935.16 : x
  2. Step 2: Convert to fraction form
    2,085,492.36/3,129,420.90 = 1,125,935.16/x
  3. Step 3: Cross multiply
    2,085,492.36x = 3,129,420.90 × 1,125,935.16
  4. Step 4: Simplify right side
    2,085,492.36x = 3,523,525,021,748.84
  5. Step 5: Solve for x
    x = 3,523,525,021,748.84/2,085,492.36
  6. Step 6: Final answer
    x = 1,689,541.08

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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.