Finding the Fourth Proportional to 2,268,098.40, 3,129,940.80 and 1,249,539.60
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Solution
The fourth proportional to 2,268,098.40, 3,129,940.80 and 1,249,539.60 is: 1,724,345.37
Step by Step Solution
- Step 1: Write the proportion equation
2,268,098.40 : 3,129,940.80 = 1,249,539.60 : x - Step 2: Convert to fraction form
2,268,098.40/3,129,940.80 = 1,249,539.60/x - Step 3: Cross multiply
2,268,098.40x = 3,129,940.80 × 1,249,539.60 - Step 4: Simplify right side
2,268,098.40x = 3,910,984,975,255.68 - Step 5: Solve for x
x = 3,910,984,975,255.68/2,268,098.40 - Step 6: Final answer
x = 1,724,345.37
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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.