Finding the Fourth Proportional to 3,123,303.24, 4,309,979.58 and 1,727,781.48
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Solution
The fourth proportional to 3,123,303.24, 4,309,979.58 and 1,727,781.48 is: 2,384,239.48
Step by Step Solution
- Step 1: Write the proportion equation
3,123,303.24 : 4,309,979.58 = 1,727,781.48 : x - Step 2: Convert to fraction form
3,123,303.24/4,309,979.58 = 1,727,781.48/x - Step 3: Cross multiply
3,123,303.24x = 4,309,979.58 × 1,727,781.48 - Step 4: Simplify right side
3,123,303.24x = 7,446,702,897,502.18 - Step 5: Solve for x
x = 7,446,702,897,502.18/3,123,303.24 - Step 6: Final answer
x = 2,384,239.48
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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.