Finding the Fourth Proportional to 7,136,905.80, 10,702,248.30 and 2,875,657.80
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Solution
The fourth proportional to 7,136,905.80, 10,702,248.30 and 2,875,657.80 is: 4,312,233.43
Step by Step Solution
- Step 1: Write the proportion equation
7,136,905.80 : 10,702,248.30 = 2,875,657.80 : x - Step 2: Convert to fraction form
7,136,905.80/10,702,248.30 = 2,875,657.80/x - Step 3: Cross multiply
7,136,905.80x = 10,702,248.30 × 2,875,657.80 - Step 4: Simplify right side
7,136,905.80x = 30,776,003,801,431.74 - Step 5: Solve for x
x = 30,776,003,801,431.74/7,136,905.80 - Step 6: Final answer
x = 4,312,233.43
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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.