Finding the Fourth Proportional to 3,480,439.97, 4,803,890.06 and 2,378,317.49
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Solution
The fourth proportional to 3,480,439.97, 4,803,890.06 and 2,378,317.49 is: 3,282,681.45
Step by Step Solution
- Step 1: Write the proportion equation
3,480,439.97 : 4,803,890.06 = 2,378,317.49 : x - Step 2: Convert to fraction form
3,480,439.97/4,803,890.06 = 2,378,317.49/x - Step 3: Cross multiply
3,480,439.97x = 4,803,890.06 × 2,378,317.49 - Step 4: Simplify right side
3,480,439.97x = 11,425,175,713,824.11 - Step 5: Solve for x
x = 11,425,175,713,824.11/3,480,439.97 - Step 6: Final answer
x = 3,282,681.45
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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.