Finding the Fourth Proportional to 1,561,386.52, 2,340,272.58 and 718,168.60
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Solution
The fourth proportional to 1,561,386.52, 2,340,272.58 and 718,168.60 is: 1,076,421.67
Step by Step Solution
- Step 1: Write the proportion equation
1,561,386.52 : 2,340,272.58 = 718,168.60 : x - Step 2: Convert to fraction form
1,561,386.52/2,340,272.58 = 718,168.60/x - Step 3: Cross multiply
1,561,386.52x = 2,340,272.58 × 718,168.60 - Step 4: Simplify right side
1,561,386.52x = 1,680,710,282,396.99 - Step 5: Solve for x
x = 1,680,710,282,396.99/1,561,386.52 - Step 6: Final answer
x = 1,076,421.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.