Home / 2,138,075.60-2,948,180.09-1,362,477.92

Finding the Fourth Proportional to 2,138,075.60, 2,948,180.09 and 1,362,477.92

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Solution

The fourth proportional to 2,138,075.60, 2,948,180.09 and 1,362,477.92 is: 1,878,712.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,075.60 : 2,948,180.09 = 1,362,477.92 : x
  2. Step 2: Convert to fraction form
    2,138,075.60/2,948,180.09 = 1,362,477.92/x
  3. Step 3: Cross multiply
    2,138,075.60x = 2,948,180.09 × 1,362,477.92
  4. Step 4: Simplify right side
    2,138,075.60x = 4,016,830,255,255.32
  5. Step 5: Solve for x
    x = 4,016,830,255,255.32/2,138,075.60
  6. Step 6: Final answer
    x = 1,878,712.93

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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.