Finding the Fourth Proportional to 1,788,178.10, 2,467,715.08 and 972,397.94
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Solution
The fourth proportional to 1,788,178.10, 2,467,715.08 and 972,397.94 is: 1,341,925.09
Step by Step Solution
- Step 1: Write the proportion equation
1,788,178.10 : 2,467,715.08 = 972,397.94 : x - Step 2: Convert to fraction form
1,788,178.10/2,467,715.08 = 972,397.94/x - Step 3: Cross multiply
1,788,178.10x = 2,467,715.08 × 972,397.94 - Step 4: Simplify right side
1,788,178.10x = 2,399,601,060,298.94 - Step 5: Solve for x
x = 2,399,601,060,298.94/1,788,178.10 - Step 6: Final answer
x = 1,341,925.09
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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.