Finding the Fourth Proportional to 7,681,312.71, 11,523,684.95 and 2,889,043.49
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Solution
The fourth proportional to 7,681,312.71, 11,523,684.95 and 2,889,043.49 is: 4,334,210.60
Step by Step Solution
- Step 1: Write the proportion equation
7,681,312.71 : 11,523,684.95 = 2,889,043.49 : x - Step 2: Convert to fraction form
7,681,312.71/11,523,684.95 = 2,889,043.49/x - Step 3: Cross multiply
7,681,312.71x = 11,523,684.95 × 2,889,043.49 - Step 4: Simplify right side
7,681,312.71x = 33,292,426,985,608.48 - Step 5: Solve for x
x = 33,292,426,985,608.48/7,681,312.71 - Step 6: Final answer
x = 4,334,210.60
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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.