Home / 2,975,881.60-4,106,428.68-1,669,185.28

Finding the Fourth Proportional to 2,975,881.60, 4,106,428.68 and 1,669,185.28

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Solution

The fourth proportional to 2,975,881.60, 4,106,428.68 and 1,669,185.28 is: 2,303,314.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975,881.60 : 4,106,428.68 = 1,669,185.28 : x
  2. Step 2: Convert to fraction form
    2,975,881.60/4,106,428.68 = 1,669,185.28/x
  3. Step 3: Cross multiply
    2,975,881.60x = 4,106,428.68 × 1,669,185.28
  4. Step 4: Simplify right side
    2,975,881.60x = 6,854,390,306,025.83
  5. Step 5: Solve for x
    x = 6,854,390,306,025.83/2,975,881.60
  6. Step 6: Final answer
    x = 2,303,314.19

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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.