Finding the Fourth Proportional to 4,158,774.48, 6,238,382.08 and 1,167,191.76
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Solution
The fourth proportional to 4,158,774.48, 6,238,382.08 and 1,167,191.76 is: 1,750,849.49
Step by Step Solution
- Step 1: Write the proportion equation
4,158,774.48 : 6,238,382.08 = 1,167,191.76 : x - Step 2: Convert to fraction form
4,158,774.48/6,238,382.08 = 1,167,191.76/x - Step 3: Cross multiply
4,158,774.48x = 6,238,382.08 × 1,167,191.76 - Step 4: Simplify right side
4,158,774.48x = 7,281,388,159,507.66 - Step 5: Solve for x
x = 7,281,388,159,507.66/4,158,774.48 - Step 6: Final answer
x = 1,750,849.49
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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.