Finding the Fourth Proportional to 4,911,208.81, 7,366,747.60 and 1,267,951.12
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Solution
The fourth proportional to 4,911,208.81, 7,366,747.60 and 1,267,951.12 is: 1,901,909.74
Step by Step Solution
- Step 1: Write the proportion equation
4,911,208.81 : 7,366,747.60 = 1,267,951.12 : x - Step 2: Convert to fraction form
4,911,208.81/7,366,747.60 = 1,267,951.12/x - Step 3: Cross multiply
4,911,208.81x = 7,366,747.60 × 1,267,951.12 - Step 4: Simplify right side
4,911,208.81x = 9,340,675,870,177.31 - Step 5: Solve for x
x = 9,340,675,870,177.31/4,911,208.81 - Step 6: Final answer
x = 1,901,909.74
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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.