Finding the Fourth Proportional to 1,584,977.68, 2,186,695.20 and 1,041,406.12
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Solution
The fourth proportional to 1,584,977.68, 2,186,695.20 and 1,041,406.12 is: 1,436,763.30
Step by Step Solution
- Step 1: Write the proportion equation
1,584,977.68 : 2,186,695.20 = 1,041,406.12 : x - Step 2: Convert to fraction form
1,584,977.68/2,186,695.20 = 1,041,406.12/x - Step 3: Cross multiply
1,584,977.68x = 2,186,695.20 × 1,041,406.12 - Step 4: Simplify right side
1,584,977.68x = 2,277,237,763,854.62 - Step 5: Solve for x
x = 2,277,237,763,854.62/1,584,977.68 - Step 6: Final answer
x = 1,436,763.30
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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.