Finding the Fourth Proportional to 1,440,807.02, 2,159,278.68 and 1,121,344.64
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Solution
The fourth proportional to 1,440,807.02, 2,159,278.68 and 1,121,344.64 is: 1,680,513.45
Step by Step Solution
- Step 1: Write the proportion equation
1,440,807.02 : 2,159,278.68 = 1,121,344.64 : x - Step 2: Convert to fraction form
1,440,807.02/2,159,278.68 = 1,121,344.64/x - Step 3: Cross multiply
1,440,807.02x = 2,159,278.68 × 1,121,344.64 - Step 4: Simplify right side
1,440,807.02x = 2,421,295,574,084.28 - Step 5: Solve for x
x = 2,421,295,574,084.28/1,440,807.02 - Step 6: Final answer
x = 1,680,513.45
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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.