Finding the Fourth Proportional to 7,211,524.61, 10,817,312.47 and 1,746,623.09
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Solution
The fourth proportional to 7,211,524.61, 10,817,312.47 and 1,746,623.09 is: 2,619,940.82
Step by Step Solution
- Step 1: Write the proportion equation
7,211,524.61 : 10,817,312.47 = 1,746,623.09 : x - Step 2: Convert to fraction form
7,211,524.61/10,817,312.47 = 1,746,623.09/x - Step 3: Cross multiply
7,211,524.61x = 10,817,312.47 × 1,746,623.09 - Step 4: Simplify right side
7,211,524.61x = 18,893,767,669,027.25 - Step 5: Solve for x
x = 18,893,767,669,027.25/7,211,524.61 - Step 6: Final answer
x = 2,619,940.82
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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.