Finding the Fourth Proportional to 3,618,507.48, 5,426,931.96 and 2,159,965.68
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Solution
The fourth proportional to 3,618,507.48, 5,426,931.96 and 2,159,965.68 is: 3,239,453.52
Step by Step Solution
- Step 1: Write the proportion equation
3,618,507.48 : 5,426,931.96 = 2,159,965.68 : x - Step 2: Convert to fraction form
3,618,507.48/5,426,931.96 = 2,159,965.68/x - Step 3: Cross multiply
3,618,507.48x = 5,426,931.96 × 2,159,965.68 - Step 4: Simplify right side
3,618,507.48x = 11,721,986,781,295.13 - Step 5: Solve for x
x = 11,721,986,781,295.13/3,618,507.48 - Step 6: Final answer
x = 3,239,453.52
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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.