Home / 2,112,368.40-3,168,552.60-1,272,560.40

Finding the Fourth Proportional to 2,112,368.40, 3,168,552.60 and 1,272,560.40

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Solution

The fourth proportional to 2,112,368.40, 3,168,552.60 and 1,272,560.40 is: 1,908,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,368.40 : 3,168,552.60 = 1,272,560.40 : x
  2. Step 2: Convert to fraction form
    2,112,368.40/3,168,552.60 = 1,272,560.40/x
  3. Step 3: Cross multiply
    2,112,368.40x = 3,168,552.60 × 1,272,560.40
  4. Step 4: Simplify right side
    2,112,368.40x = 4,032,174,564,077.04
  5. Step 5: Solve for x
    x = 4,032,174,564,077.04/2,112,368.40
  6. Step 6: Final answer
    x = 1,908,840.60

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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.