Finding the Fourth Proportional to 1,525,219.94, 2,104,990.17 and 880,639.05
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Solution
The fourth proportional to 1,525,219.94, 2,104,990.17 and 880,639.05 is: 1,215,389.66
Step by Step Solution
- Step 1: Write the proportion equation
1,525,219.94 : 2,104,990.17 = 880,639.05 : x - Step 2: Convert to fraction form
1,525,219.94/2,104,990.17 = 880,639.05/x - Step 3: Cross multiply
1,525,219.94x = 2,104,990.17 × 880,639.05 - Step 4: Simplify right side
1,525,219.94x = 1,853,736,548,159.45 - Step 5: Solve for x
x = 1,853,736,548,159.45/1,525,219.94 - Step 6: Final answer
x = 1,215,389.66
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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.