Finding the Fourth Proportional to 4,991,215.08, 6,887,881.40 and 2,699,375.80
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Solution
The fourth proportional to 4,991,215.08, 6,887,881.40 and 2,699,375.80 is: 3,725,141.09
Step by Step Solution
- Step 1: Write the proportion equation
4,991,215.08 : 6,887,881.40 = 2,699,375.80 : x - Step 2: Convert to fraction form
4,991,215.08/6,887,881.40 = 2,699,375.80/x - Step 3: Cross multiply
4,991,215.08x = 6,887,881.40 × 2,699,375.80 - Step 4: Simplify right side
4,991,215.08x = 18,592,980,364,430.12 - Step 5: Solve for x
x = 18,592,980,364,430.12/4,991,215.08 - Step 6: Final answer
x = 3,725,141.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.