Finding the Fourth Proportional to 2,974,877.15, 4,462,316.71 and 815,924.75
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Solution
The fourth proportional to 2,974,877.15, 4,462,316.71 and 815,924.75 is: 1,223,887.39
Step by Step Solution
- Step 1: Write the proportion equation
2,974,877.15 : 4,462,316.71 = 815,924.75 : x - Step 2: Convert to fraction form
2,974,877.15/4,462,316.71 = 815,924.75/x - Step 3: Cross multiply
2,974,877.15x = 4,462,316.71 × 815,924.75 - Step 4: Simplify right side
2,974,877.15x = 3,640,914,621,676.18 - Step 5: Solve for x
x = 3,640,914,621,676.18/2,974,877.15 - Step 6: Final answer
x = 1,223,887.39
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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.