Finding the Fourth Proportional to 1,344,941.64, 2,017,018.80 and 1,107,695.88
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Solution
The fourth proportional to 1,344,941.64, 2,017,018.80 and 1,107,695.88 is: 1,661,219.60
Step by Step Solution
- Step 1: Write the proportion equation
1,344,941.64 : 2,017,018.80 = 1,107,695.88 : x - Step 2: Convert to fraction form
1,344,941.64/2,017,018.80 = 1,107,695.88/x - Step 3: Cross multiply
1,344,941.64x = 2,017,018.80 × 1,107,695.88 - Step 4: Simplify right side
1,344,941.64x = 2,234,243,414,642.54 - Step 5: Solve for x
x = 2,234,243,414,642.54/1,344,941.64 - Step 6: Final answer
x = 1,661,219.60
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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.