Home / 1,868,346.35-2,792,281.41-1,363,969.48

Finding the Fourth Proportional to 1,868,346.35, 2,792,281.41 and 1,363,969.48

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Solution

The fourth proportional to 1,868,346.35, 2,792,281.41 and 1,363,969.48 is: 2,038,479.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,346.35 : 2,792,281.41 = 1,363,969.48 : x
  2. Step 2: Convert to fraction form
    1,868,346.35/2,792,281.41 = 1,363,969.48/x
  3. Step 3: Cross multiply
    1,868,346.35x = 2,792,281.41 × 1,363,969.48
  4. Step 4: Simplify right side
    1,868,346.35x = 3,808,586,621,066.19
  5. Step 5: Solve for x
    x = 3,808,586,621,066.19/1,868,346.35
  6. Step 6: Final answer
    x = 2,038,479.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.