Finding the Fourth Proportional to 1,577,100.18, 2,176,396.11 and 898,036.68
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Solution
The fourth proportional to 1,577,100.18, 2,176,396.11 and 898,036.68 is: 1,239,289.40
Step by Step Solution
- Step 1: Write the proportion equation
1,577,100.18 : 2,176,396.11 = 898,036.68 : x - Step 2: Convert to fraction form
1,577,100.18/2,176,396.11 = 898,036.68/x - Step 3: Cross multiply
1,577,100.18x = 2,176,396.11 × 898,036.68 - Step 4: Simplify right side
1,577,100.18x = 1,954,483,536,989.31 - Step 5: Solve for x
x = 1,954,483,536,989.31/1,577,100.18 - Step 6: Final answer
x = 1,239,289.40
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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.