Finding the Fourth Proportional to 1,619,534.84, 2,235,891.06 and 1,076,407.16
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Solution
The fourth proportional to 1,619,534.84, 2,235,891.06 and 1,076,407.16 is: 1,486,061.98
Step by Step Solution
- Step 1: Write the proportion equation
1,619,534.84 : 2,235,891.06 = 1,076,407.16 : x - Step 2: Convert to fraction form
1,619,534.84/2,235,891.06 = 1,076,407.16/x - Step 3: Cross multiply
1,619,534.84x = 2,235,891.06 × 1,076,407.16 - Step 4: Simplify right side
1,619,534.84x = 2,406,729,145,963.99 - Step 5: Solve for x
x = 2,406,729,145,963.99/1,619,534.84 - Step 6: Final answer
x = 1,486,061.98
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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.