Finding the Fourth Proportional to 1,718,283.12, 2,371,489.32 and 1,236,443.28
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Solution
The fourth proportional to 1,718,283.12, 2,371,489.32 and 1,236,443.28 is: 1,706,477.82
Step by Step Solution
- Step 1: Write the proportion equation
1,718,283.12 : 2,371,489.32 = 1,236,443.28 : x - Step 2: Convert to fraction form
1,718,283.12/2,371,489.32 = 1,236,443.28/x - Step 3: Cross multiply
1,718,283.12x = 2,371,489.32 × 1,236,443.28 - Step 4: Simplify right side
1,718,283.12x = 2,932,212,033,305.77 - Step 5: Solve for x
x = 2,932,212,033,305.77/1,718,283.12 - Step 6: Final answer
x = 1,706,477.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.