Finding the Fourth Proportional to 2,954,317.15, 4,076,988.81 and 1,665,157.53
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Solution
The fourth proportional to 2,954,317.15, 4,076,988.81 and 1,665,157.53 is: 2,297,934.95
Step by Step Solution
- Step 1: Write the proportion equation
2,954,317.15 : 4,076,988.81 = 1,665,157.53 : x - Step 2: Convert to fraction form
2,954,317.15/4,076,988.81 = 1,665,157.53/x - Step 3: Cross multiply
2,954,317.15x = 4,076,988.81 × 1,665,157.53 - Step 4: Simplify right side
2,954,317.15x = 6,788,828,614,275.08 - Step 5: Solve for x
x = 6,788,828,614,275.08/2,954,317.15 - Step 6: Final answer
x = 2,297,934.95
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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.