Finding the Fourth Proportional to 2,531,553.36, 3,493,547.88 and 1,385,706.30
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Solution
The fourth proportional to 2,531,553.36, 3,493,547.88 and 1,385,706.30 is: 1,912,277.02
Step by Step Solution
- Step 1: Write the proportion equation
2,531,553.36 : 3,493,547.88 = 1,385,706.30 : x - Step 2: Convert to fraction form
2,531,553.36/3,493,547.88 = 1,385,706.30/x - Step 3: Cross multiply
2,531,553.36x = 3,493,547.88 × 1,385,706.30 - Step 4: Simplify right side
2,531,553.36x = 4,841,031,306,667.64 - Step 5: Solve for x
x = 4,841,031,306,667.64/2,531,553.36 - Step 6: Final answer
x = 1,912,277.02
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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.