Finding the Fourth Proportional to 1,594,135.20, 2,391,202.80 and 1,346,129.40
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Solution
The fourth proportional to 1,594,135.20, 2,391,202.80 and 1,346,129.40 is: 2,019,194.10
Step by Step Solution
- Step 1: Write the proportion equation
1,594,135.20 : 2,391,202.80 = 1,346,129.40 : x - Step 2: Convert to fraction form
1,594,135.20/2,391,202.80 = 1,346,129.40/x - Step 3: Cross multiply
1,594,135.20x = 2,391,202.80 × 1,346,129.40 - Step 4: Simplify right side
1,594,135.20x = 3,218,868,390,442.32 - Step 5: Solve for x
x = 3,218,868,390,442.32/1,594,135.20 - Step 6: Final answer
x = 2,019,194.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.