Finding the Fourth Proportional to 1,549,336.95, 2,138,136.93 and 861,037.83
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Solution
The fourth proportional to 1,549,336.95, 2,138,136.93 and 861,037.83 is: 1,188,261.07
Step by Step Solution
- Step 1: Write the proportion equation
1,549,336.95 : 2,138,136.93 = 861,037.83 : x - Step 2: Convert to fraction form
1,549,336.95/2,138,136.93 = 861,037.83/x - Step 3: Cross multiply
1,549,336.95x = 2,138,136.93 × 861,037.83 - Step 4: Simplify right side
1,549,336.95x = 1,841,016,782,450.06 - Step 5: Solve for x
x = 1,841,016,782,450.06/1,549,336.95 - Step 6: Final answer
x = 1,188,261.07
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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.