Finding the Fourth Proportional to 4,602,605.28, 6,903,901.92 and 1,236,812.40
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Solution
The fourth proportional to 4,602,605.28, 6,903,901.92 and 1,236,812.40 is: 1,855,216.99
Step by Step Solution
- Step 1: Write the proportion equation
4,602,605.28 : 6,903,901.92 = 1,236,812.40 : x - Step 2: Convert to fraction form
4,602,605.28/6,903,901.92 = 1,236,812.40/x - Step 3: Cross multiply
4,602,605.28x = 6,903,901.92 × 1,236,812.40 - Step 4: Simplify right side
4,602,605.28x = 8,538,831,503,039.81 - Step 5: Solve for x
x = 8,538,831,503,039.81/4,602,605.28 - Step 6: Final answer
x = 1,855,216.99
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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.