Finding the Fourth Proportional to 1,487,419.57, 2,052,581.20 and 808,341.49
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Solution
The fourth proportional to 1,487,419.57, 2,052,581.20 and 808,341.49 is: 1,115,479.84
Step by Step Solution
- Step 1: Write the proportion equation
1,487,419.57 : 2,052,581.20 = 808,341.49 : x - Step 2: Convert to fraction form
1,487,419.57/2,052,581.20 = 808,341.49/x - Step 3: Cross multiply
1,487,419.57x = 2,052,581.20 × 808,341.49 - Step 4: Simplify right side
1,487,419.57x = 1,659,186,545,553.99 - Step 5: Solve for x
x = 1,659,186,545,553.99/1,487,419.57 - Step 6: Final answer
x = 1,115,479.84
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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.