Finding the Fourth Proportional to 6,890,767.98, 9,509,259.84 and 3,835,703.94
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Solution
The fourth proportional to 6,890,767.98, 9,509,259.84 and 3,835,703.94 is: 5,293,271.45
Step by Step Solution
- Step 1: Write the proportion equation
6,890,767.98 : 9,509,259.84 = 3,835,703.94 : x - Step 2: Convert to fraction form
6,890,767.98/9,509,259.84 = 3,835,703.94/x - Step 3: Cross multiply
6,890,767.98x = 9,509,259.84 × 3,835,703.94 - Step 4: Simplify right side
6,890,767.98x = 36,474,705,434,771.77 - Step 5: Solve for x
x = 36,474,705,434,771.77/6,890,767.98 - Step 6: Final answer
x = 5,293,271.45
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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.