Finding the Fourth Proportional to 6,698,979.40, 10,045,358.70 and 2,910,512.20
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Solution
The fourth proportional to 6,698,979.40, 10,045,358.70 and 2,910,512.20 is: 4,364,416.92
Step by Step Solution
- Step 1: Write the proportion equation
6,698,979.40 : 10,045,358.70 = 2,910,512.20 : x - Step 2: Convert to fraction form
6,698,979.40/10,045,358.70 = 2,910,512.20/x - Step 3: Cross multiply
6,698,979.40x = 10,045,358.70 × 2,910,512.20 - Step 4: Simplify right side
6,698,979.40x = 29,237,139,049,726.14 - Step 5: Solve for x
x = 29,237,139,049,726.14/6,698,979.40 - Step 6: Final answer
x = 4,364,416.92
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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.