Finding the Fourth Proportional to 1,688,952.57, 2,330,175.51 and 963,278.43
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Solution
The fourth proportional to 1,688,952.57, 2,330,175.51 and 963,278.43 is: 1,328,993.99
Step by Step Solution
- Step 1: Write the proportion equation
1,688,952.57 : 2,330,175.51 = 963,278.43 : x - Step 2: Convert to fraction form
1,688,952.57/2,330,175.51 = 963,278.43/x - Step 3: Cross multiply
1,688,952.57x = 2,330,175.51 × 963,278.43 - Step 4: Simplify right side
1,688,952.57x = 2,244,607,806,897.25 - Step 5: Solve for x
x = 2,244,607,806,897.25/1,688,952.57 - Step 6: Final answer
x = 1,328,993.99
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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.