Finding the Fourth Proportional to 1,909,651.96, 2,635,267.08 and 1,050,212.20
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Solution
The fourth proportional to 1,909,651.96, 2,635,267.08 and 1,050,212.20 is: 1,449,263.90
Step by Step Solution
- Step 1: Write the proportion equation
1,909,651.96 : 2,635,267.08 = 1,050,212.20 : x - Step 2: Convert to fraction form
1,909,651.96/2,635,267.08 = 1,050,212.20/x - Step 3: Cross multiply
1,909,651.96x = 2,635,267.08 × 1,050,212.20 - Step 4: Simplify right side
1,909,651.96x = 2,767,589,637,674.38 - Step 5: Solve for x
x = 2,767,589,637,674.38/1,909,651.96 - Step 6: Final answer
x = 1,449,263.90
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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.