Finding the Fourth Proportional to 4,808,941.88, 6,636,259.40 and 2,603,786.94
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Solution
The fourth proportional to 4,808,941.88, 6,636,259.40 and 2,603,786.94 is: 3,593,182.45
Step by Step Solution
- Step 1: Write the proportion equation
4,808,941.88 : 6,636,259.40 = 2,603,786.94 : x - Step 2: Convert to fraction form
4,808,941.88/6,636,259.40 = 2,603,786.94/x - Step 3: Cross multiply
4,808,941.88x = 6,636,259.40 × 2,603,786.94 - Step 4: Simplify right side
4,808,941.88x = 17,279,405,543,153.30 - Step 5: Solve for x
x = 17,279,405,543,153.30/4,808,941.88 - Step 6: Final answer
x = 3,593,182.45
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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.