Home / 1,673,138.16-2,308,884.12-909,166.32

Finding the Fourth Proportional to 1,673,138.16, 2,308,884.12 and 909,166.32

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Solution

The fourth proportional to 1,673,138.16, 2,308,884.12 and 909,166.32 is: 1,254,624.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,138.16 : 2,308,884.12 = 909,166.32 : x
  2. Step 2: Convert to fraction form
    1,673,138.16/2,308,884.12 = 909,166.32/x
  3. Step 3: Cross multiply
    1,673,138.16x = 2,308,884.12 × 909,166.32
  4. Step 4: Simplify right side
    1,673,138.16x = 2,099,159,678,686.84
  5. Step 5: Solve for x
    x = 2,099,159,678,686.84/1,673,138.16
  6. Step 6: Final answer
    x = 1,254,624.23

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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.