Finding the Fourth Proportional to 1,772,221.68, 2,445,634.62 and 1,008,258.84
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Solution
The fourth proportional to 1,772,221.68, 2,445,634.62 and 1,008,258.84 is: 1,391,379.39
Step by Step Solution
- Step 1: Write the proportion equation
1,772,221.68 : 2,445,634.62 = 1,008,258.84 : x - Step 2: Convert to fraction form
1,772,221.68/2,445,634.62 = 1,008,258.84/x - Step 3: Cross multiply
1,772,221.68x = 2,445,634.62 × 1,008,258.84 - Step 4: Simplify right side
1,772,221.68x = 2,465,832,725,025.04 - Step 5: Solve for x
x = 2,465,832,725,025.04/1,772,221.68 - Step 6: Final answer
x = 1,391,379.39
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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.