Home / 1,472,717.20-2,209,075.80-1,409,731.60

Finding the Fourth Proportional to 1,472,717.20, 2,209,075.80 and 1,409,731.60

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Solution

The fourth proportional to 1,472,717.20, 2,209,075.80 and 1,409,731.60 is: 2,114,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,717.20 : 2,209,075.80 = 1,409,731.60 : x
  2. Step 2: Convert to fraction form
    1,472,717.20/2,209,075.80 = 1,409,731.60/x
  3. Step 3: Cross multiply
    1,472,717.20x = 2,209,075.80 × 1,409,731.60
  4. Step 4: Simplify right side
    1,472,717.20x = 3,114,203,962,055.28
  5. Step 5: Solve for x
    x = 3,114,203,962,055.28/1,472,717.20
  6. Step 6: Final answer
    x = 2,114,597.40

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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.