Finding the Fourth Proportional to 4,911,206.31, 7,366,743.86 and 1,267,948.62
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Solution
The fourth proportional to 4,911,206.31, 7,366,743.86 and 1,267,948.62 is: 1,901,905.99
Step by Step Solution
- Step 1: Write the proportion equation
4,911,206.31 : 7,366,743.86 = 1,267,948.62 : x - Step 2: Convert to fraction form
4,911,206.31/7,366,743.86 = 1,267,948.62/x - Step 3: Cross multiply
4,911,206.31x = 7,366,743.86 × 1,267,948.62 - Step 4: Simplify right side
4,911,206.31x = 9,340,652,704,840.73 - Step 5: Solve for x
x = 9,340,652,704,840.73/4,911,206.31 - Step 6: Final answer
x = 1,901,905.99
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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.