Home / 2,778,145.60-4,160,664.80-1,716,462.40

Finding the Fourth Proportional to 2,778,145.60, 4,160,664.80 and 1,716,462.40

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Solution

The fourth proportional to 2,778,145.60, 4,160,664.80 and 1,716,462.40 is: 2,570,644.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,145.60 : 4,160,664.80 = 1,716,462.40 : x
  2. Step 2: Convert to fraction form
    2,778,145.60/4,160,664.80 = 1,716,462.40/x
  3. Step 3: Cross multiply
    2,778,145.60x = 4,160,664.80 × 1,716,462.40
  4. Step 4: Simplify right side
    2,778,145.60x = 7,141,624,688,203.52
  5. Step 5: Solve for x
    x = 7,141,624,688,203.52/2,778,145.60
  6. Step 6: Final answer
    x = 2,570,644.49

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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.