Finding the Fourth Proportional to 3,389,128.44, 4,676,980.24 and 1,840,376.28
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Solution
The fourth proportional to 3,389,128.44, 4,676,980.24 and 1,840,376.28 is: 2,539,710.03
Step by Step Solution
- Step 1: Write the proportion equation
3,389,128.44 : 4,676,980.24 = 1,840,376.28 : x - Step 2: Convert to fraction form
3,389,128.44/4,676,980.24 = 1,840,376.28/x - Step 3: Cross multiply
3,389,128.44x = 4,676,980.24 × 1,840,376.28 - Step 4: Simplify right side
3,389,128.44x = 8,607,403,495,724.71 - Step 5: Solve for x
x = 8,607,403,495,724.71/3,389,128.44 - Step 6: Final answer
x = 2,539,710.03
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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.