Finding the Fourth Proportional to 5,127,887.55, 7,078,663.73 and 3,195,103.08
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Solution
The fourth proportional to 5,127,887.55, 7,078,663.73 and 3,195,103.08 is: 4,410,599.89
Step by Step Solution
- Step 1: Write the proportion equation
5,127,887.55 : 7,078,663.73 = 3,195,103.08 : x - Step 2: Convert to fraction form
5,127,887.55/7,078,663.73 = 3,195,103.08/x - Step 3: Cross multiply
5,127,887.55x = 7,078,663.73 × 3,195,103.08 - Step 4: Simplify right side
5,127,887.55x = 22,617,060,270,031.77 - Step 5: Solve for x
x = 22,617,060,270,031.77/5,127,887.55 - Step 6: Final answer
x = 4,410,599.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.