Finding the Fourth Proportional to 1,663,788.14, 2,296,132.62 and 938,371.18
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Solution
The fourth proportional to 1,663,788.14, 2,296,132.62 and 938,371.18 is: 1,295,011.44
Step by Step Solution
- Step 1: Write the proportion equation
1,663,788.14 : 2,296,132.62 = 938,371.18 : x - Step 2: Convert to fraction form
1,663,788.14/2,296,132.62 = 938,371.18/x - Step 3: Cross multiply
1,663,788.14x = 2,296,132.62 × 938,371.18 - Step 4: Simplify right side
1,663,788.14x = 2,154,624,676,065.89 - Step 5: Solve for x
x = 2,154,624,676,065.89/1,663,788.14 - Step 6: Final answer
x = 1,295,011.44
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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.