Finding the Fourth Proportional to 2,118,905.84, 3,178,749.72 and 699,060.08
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Solution
The fourth proportional to 2,118,905.84, 3,178,749.72 and 699,060.08 is: 1,048,719.10
Step by Step Solution
- Step 1: Write the proportion equation
2,118,905.84 : 3,178,749.72 = 699,060.08 : x - Step 2: Convert to fraction form
2,118,905.84/3,178,749.72 = 699,060.08/x - Step 3: Cross multiply
2,118,905.84x = 3,178,749.72 × 699,060.08 - Step 4: Simplify right side
2,118,905.84x = 2,222,137,033,563.18 - Step 5: Solve for x
x = 2,222,137,033,563.18/2,118,905.84 - Step 6: Final answer
x = 1,048,719.10
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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.