Finding the Fourth Proportional to 1,873,382.86, 2,585,330.94 and 1,148,090.44
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Solution
The fourth proportional to 1,873,382.86, 2,585,330.94 and 1,148,090.44 is: 1,584,403.17
Step by Step Solution
- Step 1: Write the proportion equation
1,873,382.86 : 2,585,330.94 = 1,148,090.44 : x - Step 2: Convert to fraction form
1,873,382.86/2,585,330.94 = 1,148,090.44/x - Step 3: Cross multiply
1,873,382.86x = 2,585,330.94 × 1,148,090.44 - Step 4: Simplify right side
1,873,382.86x = 2,968,193,736,450.21 - Step 5: Solve for x
x = 2,968,193,736,450.21/1,873,382.86 - Step 6: Final answer
x = 1,584,403.17
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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.