Finding the Fourth Proportional to 1,933,564.87, 2,668,228.99 and 1,074,177.55
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Solution
The fourth proportional to 1,933,564.87, 2,668,228.99 and 1,074,177.55 is: 1,482,314.73
Step by Step Solution
- Step 1: Write the proportion equation
1,933,564.87 : 2,668,228.99 = 1,074,177.55 : x - Step 2: Convert to fraction form
1,933,564.87/2,668,228.99 = 1,074,177.55/x - Step 3: Cross multiply
1,933,564.87x = 2,668,228.99 × 1,074,177.55 - Step 4: Simplify right side
1,933,564.87x = 2,866,151,679,317.18 - Step 5: Solve for x
x = 2,866,151,679,317.18/1,933,564.87 - Step 6: Final answer
x = 1,482,314.73
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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.