Finding the Fourth Proportional to 3,658,646.54, 5,461,868.61 and 3,415,511.68
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Solution
The fourth proportional to 3,658,646.54, 5,461,868.61 and 3,415,511.68 is: 5,098,900.86
Step by Step Solution
- Step 1: Write the proportion equation
3,658,646.54 : 5,461,868.61 = 3,415,511.68 : x - Step 2: Convert to fraction form
3,658,646.54/5,461,868.61 = 3,415,511.68/x - Step 3: Cross multiply
3,658,646.54x = 5,461,868.61 × 3,415,511.68 - Step 4: Simplify right side
3,658,646.54x = 18,655,076,018,425.70 - Step 5: Solve for x
x = 18,655,076,018,425.70/3,658,646.54 - Step 6: Final answer
x = 5,098,900.86
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.