Home / 1,636,420.08-2,258,217.72-1,588,131.12

Finding the Fourth Proportional to 1,636,420.08, 2,258,217.72 and 1,588,131.12

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Solution

The fourth proportional to 1,636,420.08, 2,258,217.72 and 1,588,131.12 is: 2,191,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,420.08 : 2,258,217.72 = 1,588,131.12 : x
  2. Step 2: Convert to fraction form
    1,636,420.08/2,258,217.72 = 1,588,131.12/x
  3. Step 3: Cross multiply
    1,636,420.08x = 2,258,217.72 × 1,588,131.12
  4. Step 4: Simplify right side
    1,636,420.08x = 3,586,345,836,867.45
  5. Step 5: Solve for x
    x = 3,586,345,836,867.45/1,636,420.08
  6. Step 6: Final answer
    x = 2,191,580.19

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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.