Finding the Fourth Proportional to 4,159,543.72, 6,239,537.18 and 1,319,878.12
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Solution
The fourth proportional to 4,159,543.72, 6,239,537.18 and 1,319,878.12 is: 1,979,887.50
Step by Step Solution
- Step 1: Write the proportion equation
4,159,543.72 : 6,239,537.18 = 1,319,878.12 : x - Step 2: Convert to fraction form
4,159,543.72/6,239,537.18 = 1,319,878.12/x - Step 3: Cross multiply
4,159,543.72x = 6,239,537.18 × 1,319,878.12 - Step 4: Simplify right side
4,159,543.72x = 8,235,428,602,808.50 - Step 5: Solve for x
x = 8,235,428,602,808.50/4,159,543.72 - Step 6: Final answer
x = 1,979,887.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.