Home / 2,138,148.40-2,948,280.24-1,362,550.60

Finding the Fourth Proportional to 2,138,148.40, 2,948,280.24 and 1,362,550.60

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Solution

The fourth proportional to 2,138,148.40, 2,948,280.24 and 1,362,550.60 is: 1,878,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,148.40 : 2,948,280.24 = 1,362,550.60 : x
  2. Step 2: Convert to fraction form
    2,138,148.40/2,948,280.24 = 1,362,550.60/x
  3. Step 3: Cross multiply
    2,138,148.40x = 2,948,280.24 × 1,362,550.60
  4. Step 4: Simplify right side
    2,138,148.40x = 4,017,181,009,980.14
  5. Step 5: Solve for x
    x = 4,017,181,009,980.14/2,138,148.40
  6. Step 6: Final answer
    x = 1,878,813.00

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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.