Finding the Fourth Proportional to 5,411,206.35, 8,116,810.45 and 1,367,705.79
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Solution
The fourth proportional to 5,411,206.35, 8,116,810.45 and 1,367,705.79 is: 2,051,558.92
Step by Step Solution
- Step 1: Write the proportion equation
5,411,206.35 : 8,116,810.45 = 1,367,705.79 : x - Step 2: Convert to fraction form
5,411,206.35/8,116,810.45 = 1,367,705.79/x - Step 3: Cross multiply
5,411,206.35x = 8,116,810.45 × 1,367,705.79 - Step 4: Simplify right side
5,411,206.35x = 11,101,408,645,378.24 - Step 5: Solve for x
x = 11,101,408,645,378.24/5,411,206.35 - Step 6: Final answer
x = 2,051,558.92
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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.