Finding the Fourth Proportional to 1,711,788.68, 2,362,239.50 and 947,825.84
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Solution
The fourth proportional to 1,711,788.68, 2,362,239.50 and 947,825.84 is: 1,307,983.67
Step by Step Solution
- Step 1: Write the proportion equation
1,711,788.68 : 2,362,239.50 = 947,825.84 : x - Step 2: Convert to fraction form
1,711,788.68/2,362,239.50 = 947,825.84/x - Step 3: Cross multiply
1,711,788.68x = 2,362,239.50 × 947,825.84 - Step 4: Simplify right side
1,711,788.68x = 2,238,991,638,368.68 - Step 5: Solve for x
x = 2,238,991,638,368.68/1,711,788.68 - Step 6: Final answer
x = 1,307,983.67
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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.