Finding the Fourth Proportional to 1,746,447.12, 2,409,075.51 and 1,135,007.12
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Solution
The fourth proportional to 1,746,447.12, 2,409,075.51 and 1,135,007.12 is: 1,565,645.95
Step by Step Solution
- Step 1: Write the proportion equation
1,746,447.12 : 2,409,075.51 = 1,135,007.12 : x - Step 2: Convert to fraction form
1,746,447.12/2,409,075.51 = 1,135,007.12/x - Step 3: Cross multiply
1,746,447.12x = 2,409,075.51 × 1,135,007.12 - Step 4: Simplify right side
1,746,447.12x = 2,734,317,865,012.61 - Step 5: Solve for x
x = 2,734,317,865,012.61/1,746,447.12 - Step 6: Final answer
x = 1,565,645.95
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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.