Finding the Fourth Proportional to 1,819,161.72, 2,511,132.30 and 1,430,972.28
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Solution
The fourth proportional to 1,819,161.72, 2,511,132.30 and 1,430,972.28 is: 1,975,283.82
Step by Step Solution
- Step 1: Write the proportion equation
1,819,161.72 : 2,511,132.30 = 1,430,972.28 : x - Step 2: Convert to fraction form
1,819,161.72/2,511,132.30 = 1,430,972.28/x - Step 3: Cross multiply
1,819,161.72x = 2,511,132.30 × 1,430,972.28 - Step 4: Simplify right side
1,819,161.72x = 3,593,360,712,712.64 - Step 5: Solve for x
x = 3,593,360,712,712.64/1,819,161.72 - Step 6: Final answer
x = 1,975,283.82
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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.