Finding the Fourth Proportional to 1,709,581.80, 2,564,372.70 and 1,630,849.80
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Solution
The fourth proportional to 1,709,581.80, 2,564,372.70 and 1,630,849.80 is: 2,446,274.70
Step by Step Solution
- Step 1: Write the proportion equation
1,709,581.80 : 2,564,372.70 = 1,630,849.80 : x - Step 2: Convert to fraction form
1,709,581.80/2,564,372.70 = 1,630,849.80/x - Step 3: Cross multiply
1,709,581.80x = 2,564,372.70 × 1,630,849.80 - Step 4: Simplify right side
1,709,581.80x = 4,182,106,704,920.46 - Step 5: Solve for x
x = 4,182,106,704,920.46/1,709,581.80 - Step 6: Final answer
x = 2,446,274.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.