Finding the Fourth Proportional to 1,390,696.58, 2,082,307.41 and 882,506.13
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Solution
The fourth proportional to 1,390,696.58, 2,082,307.41 and 882,506.13 is: 1,321,387.49
Step by Step Solution
- Step 1: Write the proportion equation
1,390,696.58 : 2,082,307.41 = 882,506.13 : x - Step 2: Convert to fraction form
1,390,696.58/2,082,307.41 = 882,506.13/x - Step 3: Cross multiply
1,390,696.58x = 2,082,307.41 × 882,506.13 - Step 4: Simplify right side
1,390,696.58x = 1,837,649,053,869.42 - Step 5: Solve for x
x = 1,837,649,053,869.42/1,390,696.58 - Step 6: Final answer
x = 1,321,387.49
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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.