Finding the Fourth Proportional to 1,497,371.47, 2,246,436.05 and 417,883.83
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Solution
The fourth proportional to 1,497,371.47, 2,246,436.05 and 417,883.83 is: 626,931.47
Step by Step Solution
- Step 1: Write the proportion equation
1,497,371.47 : 2,246,436.05 = 417,883.83 : x - Step 2: Convert to fraction form
1,497,371.47/2,246,436.05 = 417,883.83/x - Step 3: Cross multiply
1,497,371.47x = 2,246,436.05 × 417,883.83 - Step 4: Simplify right side
1,497,371.47x = 938,749,300,424.07 - Step 5: Solve for x
x = 938,749,300,424.07/1,497,371.47 - Step 6: Final answer
x = 626,931.47
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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.