Finding the Fourth Proportional to 1,588,643.18, 2,192,319.36 and 863,494.80
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Solution
The fourth proportional to 1,588,643.18, 2,192,319.36 and 863,494.80 is: 1,191,618.36
Step by Step Solution
- Step 1: Write the proportion equation
1,588,643.18 : 2,192,319.36 = 863,494.80 : x - Step 2: Convert to fraction form
1,588,643.18/2,192,319.36 = 863,494.80/x - Step 3: Cross multiply
1,588,643.18x = 2,192,319.36 × 863,494.80 - Step 4: Simplify right side
1,588,643.18x = 1,893,056,381,825.86 - Step 5: Solve for x
x = 1,893,056,381,825.86/1,588,643.18 - Step 6: Final answer
x = 1,191,618.36
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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.