Finding the Fourth Proportional to 1,415,227.40, 2,119,730.70 and 853,281.80
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Solution
The fourth proportional to 1,415,227.40, 2,119,730.70 and 853,281.80 is: 1,278,047.35
Step by Step Solution
- Step 1: Write the proportion equation
1,415,227.40 : 2,119,730.70 = 853,281.80 : x - Step 2: Convert to fraction form
1,415,227.40/2,119,730.70 = 853,281.80/x - Step 3: Cross multiply
1,415,227.40x = 2,119,730.70 × 853,281.80 - Step 4: Simplify right side
1,415,227.40x = 1,808,727,627,211.26 - Step 5: Solve for x
x = 1,808,727,627,211.26/1,415,227.40 - Step 6: Final answer
x = 1,278,047.35
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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.