Finding the Fourth Proportional to 4,129,898.12, 6,194,286.67 and 1,211,913.37
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Solution
The fourth proportional to 4,129,898.12, 6,194,286.67 and 1,211,913.37 is: 1,817,705.57
Step by Step Solution
- Step 1: Write the proportion equation
4,129,898.12 : 6,194,286.67 = 1,211,913.37 : x - Step 2: Convert to fraction form
4,129,898.12/6,194,286.67 = 1,211,913.37/x - Step 3: Cross multiply
4,129,898.12x = 6,194,286.67 × 1,211,913.37 - Step 4: Simplify right side
4,129,898.12x = 7,506,938,832,985.78 - Step 5: Solve for x
x = 7,506,938,832,985.78/4,129,898.12 - Step 6: Final answer
x = 1,817,705.57
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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.