Finding the Fourth Proportional to 6,139,156.74, 9,207,164.28 and 1,820,197.02
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Solution
The fourth proportional to 6,139,156.74, 9,207,164.28 and 1,820,197.02 is: 2,729,829.80
Step by Step Solution
- Step 1: Write the proportion equation
6,139,156.74 : 9,207,164.28 = 1,820,197.02 : x - Step 2: Convert to fraction form
6,139,156.74/9,207,164.28 = 1,820,197.02/x - Step 3: Cross multiply
6,139,156.74x = 9,207,164.28 × 1,820,197.02 - Step 4: Simplify right side
6,139,156.74x = 16,758,852,985,106.45 - Step 5: Solve for x
x = 16,758,852,985,106.45/6,139,156.74 - Step 6: Final answer
x = 2,729,829.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.