Finding the Fourth Proportional to 6,649,826.08, 9,176,576.40 and 3,749,191.52
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Solution
The fourth proportional to 6,649,826.08, 9,176,576.40 and 3,749,191.52 is: 5,173,780.79
Step by Step Solution
- Step 1: Write the proportion equation
6,649,826.08 : 9,176,576.40 = 3,749,191.52 : x - Step 2: Convert to fraction form
6,649,826.08/9,176,576.40 = 3,749,191.52/x - Step 3: Cross multiply
6,649,826.08x = 9,176,576.40 × 3,749,191.52 - Step 4: Simplify right side
6,649,826.08x = 34,404,742,421,512.13 - Step 5: Solve for x
x = 34,404,742,421,512.13/6,649,826.08 - Step 6: Final answer
x = 5,173,780.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.