Finding the Fourth Proportional to 2,657,415.80, 3,986,123.70 and 884,487.80
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Solution
The fourth proportional to 2,657,415.80, 3,986,123.70 and 884,487.80 is: 1,326,731.70
Step by Step Solution
- Step 1: Write the proportion equation
2,657,415.80 : 3,986,123.70 = 884,487.80 : x - Step 2: Convert to fraction form
2,657,415.80/3,986,123.70 = 884,487.80/x - Step 3: Cross multiply
2,657,415.80x = 3,986,123.70 × 884,487.80 - Step 4: Simplify right side
2,657,415.80x = 3,525,677,781,940.86 - Step 5: Solve for x
x = 3,525,677,781,940.86/2,657,415.80 - Step 6: Final answer
x = 1,326,731.70
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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.