Finding the Fourth Proportional to 1,725,896.80, 2,381,748.64 and 961,998.80
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Solution
The fourth proportional to 1,725,896.80, 2,381,748.64 and 961,998.80 is: 1,327,564.51
Step by Step Solution
- Step 1: Write the proportion equation
1,725,896.80 : 2,381,748.64 = 961,998.80 : x - Step 2: Convert to fraction form
1,725,896.80/2,381,748.64 = 961,998.80/x - Step 3: Cross multiply
1,725,896.80x = 2,381,748.64 × 961,998.80 - Step 4: Simplify right side
1,725,896.80x = 2,291,239,333,581.63 - Step 5: Solve for x
x = 2,291,239,333,581.63/1,725,896.80 - Step 6: Final answer
x = 1,327,564.51
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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.