Finding the Fourth Proportional to 1,588,768.12, 2,192,501.48 and 863,615.82
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Solution
The fourth proportional to 1,588,768.12, 2,192,501.48 and 863,615.82 is: 1,191,790.63
Step by Step Solution
- Step 1: Write the proportion equation
1,588,768.12 : 2,192,501.48 = 863,615.82 : x - Step 2: Convert to fraction form
1,588,768.12/2,192,501.48 = 863,615.82/x - Step 3: Cross multiply
1,588,768.12x = 2,192,501.48 × 863,615.82 - Step 4: Simplify right side
1,588,768.12x = 1,893,478,963,501.41 - Step 5: Solve for x
x = 1,893,478,963,501.41/1,588,768.12 - Step 6: Final answer
x = 1,191,790.63
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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.