Finding the Fourth Proportional to 2,997,534.16, 4,136,629.80 and 1,639,378
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Solution
The fourth proportional to 2,997,534.16, 4,136,629.80 and 1,639,378 is: 2,262,359.50
Step by Step Solution
- Step 1: Write the proportion equation
2,997,534.16 : 4,136,629.80 = 1,639,378 : x - Step 2: Convert to fraction form
2,997,534.16/4,136,629.80 = 1,639,378/x - Step 3: Cross multiply
2,997,534.16x = 4,136,629.80 × 1,639,378 - Step 4: Simplify right side
2,997,534.16x = 6,781,499,888,264.40 - Step 5: Solve for x
x = 6,781,499,888,264.40/2,997,534.16 - Step 6: Final answer
x = 2,262,359.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.