Finding the Fourth Proportional to 1,431,645.40, 2,142,795.18 and 1,052,465.76
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Solution
The fourth proportional to 1,431,645.40, 2,142,795.18 and 1,052,465.76 is: 1,575,263.37
Step by Step Solution
- Step 1: Write the proportion equation
1,431,645.40 : 2,142,795.18 = 1,052,465.76 : x - Step 2: Convert to fraction form
1,431,645.40/2,142,795.18 = 1,052,465.76/x - Step 3: Cross multiply
1,431,645.40x = 2,142,795.18 × 1,052,465.76 - Step 4: Simplify right side
1,431,645.40x = 2,255,218,557,643.04 - Step 5: Solve for x
x = 2,255,218,557,643.04/1,431,645.40 - Step 6: Final answer
x = 1,575,263.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.