Finding the Fourth Proportional to 1,795,883.42, 2,478,377.11 and 1,021,494.36
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Solution
The fourth proportional to 1,795,883.42, 2,478,377.11 and 1,021,494.36 is: 1,409,695.20
Step by Step Solution
- Step 1: Write the proportion equation
1,795,883.42 : 2,478,377.11 = 1,021,494.36 : x - Step 2: Convert to fraction form
1,795,883.42/2,478,377.11 = 1,021,494.36/x - Step 3: Cross multiply
1,795,883.42x = 2,478,377.11 × 1,021,494.36 - Step 4: Simplify right side
1,795,883.42x = 2,531,648,239,818.10 - Step 5: Solve for x
x = 2,531,648,239,818.10/1,795,883.42 - Step 6: Final answer
x = 1,409,695.20
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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.