Finding the Fourth Proportional to 5,364,138.47, 7,402,547.68 and 2,916,776.12
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Solution
The fourth proportional to 5,364,138.47, 7,402,547.68 and 2,916,776.12 is: 4,025,170.94
Step by Step Solution
- Step 1: Write the proportion equation
5,364,138.47 : 7,402,547.68 = 2,916,776.12 : x - Step 2: Convert to fraction form
5,364,138.47/7,402,547.68 = 2,916,776.12/x - Step 3: Cross multiply
5,364,138.47x = 7,402,547.68 × 2,916,776.12 - Step 4: Simplify right side
5,364,138.47x = 21,591,574,255,880.73 - Step 5: Solve for x
x = 21,591,574,255,880.73/5,364,138.47 - Step 6: Final answer
x = 4,025,170.94
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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.