Finding the Fourth Proportional to 5,402,395.62, 7,454,901.72 and 2,954,880.18
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Solution
The fourth proportional to 5,402,395.62, 7,454,901.72 and 2,954,880.18 is: 4,077,513.55
Step by Step Solution
- Step 1: Write the proportion equation
5,402,395.62 : 7,454,901.72 = 2,954,880.18 : x - Step 2: Convert to fraction form
5,402,395.62/7,454,901.72 = 2,954,880.18/x - Step 3: Cross multiply
5,402,395.62x = 7,454,901.72 × 2,954,880.18 - Step 4: Simplify right side
5,402,395.62x = 22,028,341,336,275.91 - Step 5: Solve for x
x = 22,028,341,336,275.91/5,402,395.62 - Step 6: Final answer
x = 4,077,513.55
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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.