Home / 1,638,208.40-2,457,312.60-1,466,966.30

Finding the Fourth Proportional to 1,638,208.40, 2,457,312.60 and 1,466,966.30

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Solution

The fourth proportional to 1,638,208.40, 2,457,312.60 and 1,466,966.30 is: 2,200,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,208.40 : 2,457,312.60 = 1,466,966.30 : x
  2. Step 2: Convert to fraction form
    1,638,208.40/2,457,312.60 = 1,466,966.30/x
  3. Step 3: Cross multiply
    1,638,208.40x = 2,457,312.60 × 1,466,966.30
  4. Step 4: Simplify right side
    1,638,208.40x = 3,604,794,772,765.38
  5. Step 5: Solve for x
    x = 3,604,794,772,765.38/1,638,208.40
  6. Step 6: Final answer
    x = 2,200,449.45

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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.