Finding the Fourth Proportional to 2,176,198.66, 3,002,963.13 and 1,209,267.70
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Solution
The fourth proportional to 2,176,198.66, 3,002,963.13 and 1,209,267.70 is: 1,668,683.28
Step by Step Solution
- Step 1: Write the proportion equation
2,176,198.66 : 3,002,963.13 = 1,209,267.70 : x - Step 2: Convert to fraction form
2,176,198.66/3,002,963.13 = 1,209,267.70/x - Step 3: Cross multiply
2,176,198.66x = 3,002,963.13 × 1,209,267.70 - Step 4: Simplify right side
2,176,198.66x = 3,631,386,317,399.90 - Step 5: Solve for x
x = 3,631,386,317,399.90/2,176,198.66 - Step 6: Final answer
x = 1,668,683.28
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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.