Finding the Fourth Proportional to 2,077,578.10, 3,117,354.08 and 1,438,864.75
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Solution
The fourth proportional to 2,077,578.10, 3,117,354.08 and 1,438,864.75 is: 2,158,980.64
Step by Step Solution
- Step 1: Write the proportion equation
2,077,578.10 : 3,117,354.08 = 1,438,864.75 : x - Step 2: Convert to fraction form
2,077,578.10/3,117,354.08 = 1,438,864.75/x - Step 3: Cross multiply
2,077,578.10x = 3,117,354.08 × 1,438,864.75 - Step 4: Simplify right side
2,077,578.10x = 4,485,450,898,980.68 - Step 5: Solve for x
x = 4,485,450,898,980.68/2,077,578.10 - Step 6: Final answer
x = 2,158,980.64
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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.