Finding the Fourth Proportional to 6,472,339.10, 9,712,007.85 and 2,686,204.70
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Solution
The fourth proportional to 6,472,339.10, 9,712,007.85 and 2,686,204.70 is: 4,030,759.32
Step by Step Solution
- Step 1: Write the proportion equation
6,472,339.10 : 9,712,007.85 = 2,686,204.70 : x - Step 2: Convert to fraction form
6,472,339.10/9,712,007.85 = 2,686,204.70/x - Step 3: Cross multiply
6,472,339.10x = 9,712,007.85 × 2,686,204.70 - Step 4: Simplify right side
6,472,339.10x = 26,088,441,133,106.89 - Step 5: Solve for x
x = 26,088,441,133,106.89/6,472,339.10 - Step 6: Final answer
x = 4,030,759.32
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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.