Finding the Fourth Proportional to 2,038,877.07, 2,813,731.43 and 1,121,181.45
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Solution
The fourth proportional to 2,038,877.07, 2,813,731.43 and 1,121,181.45 is: 1,547,274.98
Step by Step Solution
- Step 1: Write the proportion equation
2,038,877.07 : 2,813,731.43 = 1,121,181.45 : x - Step 2: Convert to fraction form
2,038,877.07/2,813,731.43 = 1,121,181.45/x - Step 3: Cross multiply
2,038,877.07x = 2,813,731.43 × 1,121,181.45 - Step 4: Simplify right side
2,038,877.07x = 3,154,703,478,992.07 - Step 5: Solve for x
x = 3,154,703,478,992.07/2,038,877.07 - Step 6: Final answer
x = 1,547,274.98
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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.