Finding the Fourth Proportional to 1,427,123.74, 2,140,357.92 and 850,909.99
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Solution
The fourth proportional to 1,427,123.74, 2,140,357.92 and 850,909.99 is: 1,276,169.60
Step by Step Solution
- Step 1: Write the proportion equation
1,427,123.74 : 2,140,357.92 = 850,909.99 : x - Step 2: Convert to fraction form
1,427,123.74/2,140,357.92 = 850,909.99/x - Step 3: Cross multiply
1,427,123.74x = 2,140,357.92 × 850,909.99 - Step 4: Simplify right side
1,427,123.74x = 1,821,251,936,303.62 - Step 5: Solve for x
x = 1,821,251,936,303.62/1,427,123.74 - Step 6: Final answer
x = 1,276,169.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.