Finding the Fourth Proportional to 7,122,981.06, 10,684,394.64 and 1,731,637.80
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Solution
The fourth proportional to 7,122,981.06, 10,684,394.64 and 1,731,637.80 is: 2,597,437.99
Step by Step Solution
- Step 1: Write the proportion equation
7,122,981.06 : 10,684,394.64 = 1,731,637.80 : x - Step 2: Convert to fraction form
7,122,981.06/10,684,394.64 = 1,731,637.80/x - Step 3: Cross multiply
7,122,981.06x = 10,684,394.64 × 1,731,637.80 - Step 4: Simplify right side
7,122,981.06x = 18,501,501,628,741.39 - Step 5: Solve for x
x = 18,501,501,628,741.39/7,122,981.06 - Step 6: Final answer
x = 2,597,437.99
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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.