Finding the Fourth Proportional to 1,877,988.08, 2,591,658.84 and 1,152,472.40
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Solution
The fourth proportional to 1,877,988.08, 2,591,658.84 and 1,152,472.40 is: 1,590,433.57
Step by Step Solution
- Step 1: Write the proportion equation
1,877,988.08 : 2,591,658.84 = 1,152,472.40 : x - Step 2: Convert to fraction form
1,877,988.08/2,591,658.84 = 1,152,472.40/x - Step 3: Cross multiply
1,877,988.08x = 2,591,658.84 × 1,152,472.40 - Step 4: Simplify right side
1,877,988.08x = 2,986,815,283,316.02 - Step 5: Solve for x
x = 2,986,815,283,316.02/1,877,988.08 - Step 6: Final answer
x = 1,590,433.57
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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.