Finding the Fourth Proportional to 5,128,246.70, 7,683,038.85 and 4,176,464.30
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Solution
The fourth proportional to 5,128,246.70, 7,683,038.85 and 4,176,464.30 is: 6,257,097.08
Step by Step Solution
- Step 1: Write the proportion equation
5,128,246.70 : 7,683,038.85 = 4,176,464.30 : x - Step 2: Convert to fraction form
5,128,246.70/7,683,038.85 = 4,176,464.30/x - Step 3: Cross multiply
5,128,246.70x = 7,683,038.85 × 4,176,464.30 - Step 4: Simplify right side
5,128,246.70x = 32,087,937,472,538.05 - Step 5: Solve for x
x = 32,087,937,472,538.05/5,128,246.70 - Step 6: Final answer
x = 6,257,097.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.