Finding the Fourth Proportional to 2,690,102.61, 3,712,156.05 and 1,512,877.41
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Solution
The fourth proportional to 2,690,102.61, 3,712,156.05 and 1,512,877.41 is: 2,087,666.48
Step by Step Solution
- Step 1: Write the proportion equation
2,690,102.61 : 3,712,156.05 = 1,512,877.41 : x - Step 2: Convert to fraction form
2,690,102.61/3,712,156.05 = 1,512,877.41/x - Step 3: Cross multiply
2,690,102.61x = 3,712,156.05 × 1,512,877.41 - Step 4: Simplify right side
2,690,102.61x = 5,616,037,034,950.93 - Step 5: Solve for x
x = 5,616,037,034,950.93/2,690,102.61 - Step 6: Final answer
x = 2,087,666.48
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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.