Finding the Fourth Proportional to 6,497,121.62, 8,966,829.12 and 3,706,931.90
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Solution
The fourth proportional to 6,497,121.62, 8,966,829.12 and 3,706,931.90 is: 5,116,023.19
Step by Step Solution
- Step 1: Write the proportion equation
6,497,121.62 : 8,966,829.12 = 3,706,931.90 : x - Step 2: Convert to fraction form
6,497,121.62/8,966,829.12 = 3,706,931.90/x - Step 3: Cross multiply
6,497,121.62x = 8,966,829.12 × 3,706,931.90 - Step 4: Simplify right side
6,497,121.62x = 33,239,424,906,776.93 - Step 5: Solve for x
x = 33,239,424,906,776.93/6,497,121.62 - Step 6: Final answer
x = 5,116,023.19
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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.