Home / 1,648,712.20-2,473,068.30-1,485,999.40

Finding the Fourth Proportional to 1,648,712.20, 2,473,068.30 and 1,485,999.40

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Solution

The fourth proportional to 1,648,712.20, 2,473,068.30 and 1,485,999.40 is: 2,228,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,712.20 : 2,473,068.30 = 1,485,999.40 : x
  2. Step 2: Convert to fraction form
    1,648,712.20/2,473,068.30 = 1,485,999.40/x
  3. Step 3: Cross multiply
    1,648,712.20x = 2,473,068.30 × 1,485,999.40
  4. Step 4: Simplify right side
    1,648,712.20x = 3,674,978,009,959.02
  5. Step 5: Solve for x
    x = 3,674,978,009,959.02/1,648,712.20
  6. Step 6: Final answer
    x = 2,228,999.10

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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.