Finding the Fourth Proportional to 1,605,625.56, 2,407,838.26 and 645,757.18
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Solution
The fourth proportional to 1,605,625.56, 2,407,838.26 and 645,757.18 is: 968,394.43
Step by Step Solution
- Step 1: Write the proportion equation
1,605,625.56 : 2,407,838.26 = 645,757.18 : x - Step 2: Convert to fraction form
1,605,625.56/2,407,838.26 = 645,757.18/x - Step 3: Cross multiply
1,605,625.56x = 2,407,838.26 × 645,757.18 - Step 4: Simplify right side
1,605,625.56x = 1,554,878,844,673.71 - Step 5: Solve for x
x = 1,554,878,844,673.71/1,605,625.56 - Step 6: Final answer
x = 968,394.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.