Finding the Fourth Proportional to 1,487,896.11, 2,053,317.06 and 808,847.19
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Solution
The fourth proportional to 1,487,896.11, 2,053,317.06 and 808,847.19 is: 1,116,220.23
Step by Step Solution
- Step 1: Write the proportion equation
1,487,896.11 : 2,053,317.06 = 808,847.19 : x - Step 2: Convert to fraction form
1,487,896.11/2,053,317.06 = 808,847.19/x - Step 3: Cross multiply
1,487,896.11x = 2,053,317.06 × 808,847.19 - Step 4: Simplify right side
1,487,896.11x = 1,660,819,734,160.06 - Step 5: Solve for x
x = 1,660,819,734,160.06/1,487,896.11 - Step 6: Final answer
x = 1,116,220.23
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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.