Finding the Fourth Proportional to 1,486,945.65, 2,051,959.71 and 807,877.29
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Solution
The fourth proportional to 1,486,945.65, 2,051,959.71 and 807,877.29 is: 1,114,856.92
Step by Step Solution
- Step 1: Write the proportion equation
1,486,945.65 : 2,051,959.71 = 807,877.29 : x - Step 2: Convert to fraction form
1,486,945.65/2,051,959.71 = 807,877.29/x - Step 3: Cross multiply
1,486,945.65x = 2,051,959.71 × 807,877.29 - Step 4: Simplify right side
1,486,945.65x = 1,657,731,649,703.99 - Step 5: Solve for x
x = 1,657,731,649,703.99/1,486,945.65 - Step 6: Final answer
x = 1,114,856.92
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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.