Finding the Fourth Proportional to 1,776,058.32, 2,449,324.62 and 1,163,988.12
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Solution
The fourth proportional to 1,776,058.32, 2,449,324.62 and 1,163,988.12 is: 1,605,231.50
Step by Step Solution
- Step 1: Write the proportion equation
1,776,058.32 : 2,449,324.62 = 1,163,988.12 : x - Step 2: Convert to fraction form
1,776,058.32/2,449,324.62 = 1,163,988.12/x - Step 3: Cross multiply
1,776,058.32x = 2,449,324.62 × 1,163,988.12 - Step 4: Simplify right side
1,776,058.32x = 2,850,984,759,703.51 - Step 5: Solve for x
x = 2,850,984,759,703.51/1,776,058.32 - Step 6: Final answer
x = 1,605,231.50
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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.