Home / 1,863,009.45-2,571,225.30-1,047,280.32

Finding the Fourth Proportional to 1,863,009.45, 2,571,225.30 and 1,047,280.32

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Solution

The fourth proportional to 1,863,009.45, 2,571,225.30 and 1,047,280.32 is: 1,445,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,009.45 : 2,571,225.30 = 1,047,280.32 : x
  2. Step 2: Convert to fraction form
    1,863,009.45/2,571,225.30 = 1,047,280.32/x
  3. Step 3: Cross multiply
    1,863,009.45x = 2,571,225.30 × 1,047,280.32
  4. Step 4: Simplify right side
    1,863,009.45x = 2,692,793,654,976.10
  5. Step 5: Solve for x
    x = 2,692,793,654,976.10/1,863,009.45
  6. Step 6: Final answer
    x = 1,445,399.89

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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.