Home / 2,909,533.32-4,015,280.51-1,620,373.71

Finding the Fourth Proportional to 2,909,533.32, 4,015,280.51 and 1,620,373.71

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Solution

The fourth proportional to 2,909,533.32, 4,015,280.51 and 1,620,373.71 is: 2,236,185.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,533.32 : 4,015,280.51 = 1,620,373.71 : x
  2. Step 2: Convert to fraction form
    2,909,533.32/4,015,280.51 = 1,620,373.71/x
  3. Step 3: Cross multiply
    2,909,533.32x = 4,015,280.51 × 1,620,373.71
  4. Step 4: Simplify right side
    2,909,533.32x = 6,506,254,976,679.39
  5. Step 5: Solve for x
    x = 6,506,254,976,679.39/2,909,533.32
  6. Step 6: Final answer
    x = 2,236,185.07

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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.