Finding the Fourth Proportional to 1,911,199.68, 2,637,455.95 and 1,051,759.95
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Solution
The fourth proportional to 1,911,199.68, 2,637,455.95 and 1,051,759.95 is: 1,451,428.95
Step by Step Solution
- Step 1: Write the proportion equation
1,911,199.68 : 2,637,455.95 = 1,051,759.95 : x - Step 2: Convert to fraction form
1,911,199.68/2,637,455.95 = 1,051,759.95/x - Step 3: Cross multiply
1,911,199.68x = 2,637,455.95 × 1,051,759.95 - Step 4: Simplify right side
1,911,199.68x = 2,773,970,538,099.20 - Step 5: Solve for x
x = 2,773,970,538,099.20/1,911,199.68 - Step 6: Final answer
x = 1,451,428.95
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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.