Finding the Fourth Proportional to 1,815,063.74, 2,504,742.18 and 999,259.28
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Solution
The fourth proportional to 1,815,063.74, 2,504,742.18 and 999,259.28 is: 1,378,952.60
Step by Step Solution
- Step 1: Write the proportion equation
1,815,063.74 : 2,504,742.18 = 999,259.28 : x - Step 2: Convert to fraction form
1,815,063.74/2,504,742.18 = 999,259.28/x - Step 3: Cross multiply
1,815,063.74x = 2,504,742.18 × 999,259.28 - Step 4: Simplify right side
1,815,063.74x = 2,502,886,867,372.43 - Step 5: Solve for x
x = 2,502,886,867,372.43/1,815,063.74 - Step 6: Final answer
x = 1,378,952.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.