Finding the Fourth Proportional to 1,804,715.70, 2,490,270.87 and 1,079,298.75
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Solution
The fourth proportional to 1,804,715.70, 2,490,270.87 and 1,079,298.75 is: 1,489,290.66
Step by Step Solution
- Step 1: Write the proportion equation
1,804,715.70 : 2,490,270.87 = 1,079,298.75 : x - Step 2: Convert to fraction form
1,804,715.70/2,490,270.87 = 1,079,298.75/x - Step 3: Cross multiply
1,804,715.70x = 2,490,270.87 × 1,079,298.75 - Step 4: Simplify right side
1,804,715.70x = 2,687,746,237,152.41 - Step 5: Solve for x
x = 2,687,746,237,152.41/1,804,715.70 - Step 6: Final answer
x = 1,489,290.66
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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.