Finding the Fourth Proportional to 1,768,570.19, 2,440,465.82 and 1,023,367.23
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Solution
The fourth proportional to 1,768,570.19, 2,440,465.82 and 1,023,367.23 is: 1,412,153.59
Step by Step Solution
- Step 1: Write the proportion equation
1,768,570.19 : 2,440,465.82 = 1,023,367.23 : x - Step 2: Convert to fraction form
1,768,570.19/2,440,465.82 = 1,023,367.23/x - Step 3: Cross multiply
1,768,570.19x = 2,440,465.82 × 1,023,367.23 - Step 4: Simplify right side
1,768,570.19x = 2,497,492,746,123.08 - Step 5: Solve for x
x = 2,497,492,746,123.08/1,768,570.19 - Step 6: Final answer
x = 1,412,153.59
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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.