Finding the Fourth Proportional to 2,143,307.88, 2,957,803.04 and 1,176,528.08
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Solution
The fourth proportional to 2,143,307.88, 2,957,803.04 and 1,176,528.08 is: 1,623,629.70
Step by Step Solution
- Step 1: Write the proportion equation
2,143,307.88 : 2,957,803.04 = 1,176,528.08 : x - Step 2: Convert to fraction form
2,143,307.88/2,957,803.04 = 1,176,528.08/x - Step 3: Cross multiply
2,143,307.88x = 2,957,803.04 × 1,176,528.08 - Step 4: Simplify right side
2,143,307.88x = 3,479,938,331,669.36 - Step 5: Solve for x
x = 3,479,938,331,669.36/2,143,307.88 - Step 6: Final answer
x = 1,623,629.70
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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.