Finding the Fourth Proportional to 1,684,636.99, 2,325,275.98 and 996,548.07
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Solution
The fourth proportional to 1,684,636.99, 2,325,275.98 and 996,548.07 is: 1,375,518.47
Step by Step Solution
- Step 1: Write the proportion equation
1,684,636.99 : 2,325,275.98 = 996,548.07 : x - Step 2: Convert to fraction form
1,684,636.99/2,325,275.98 = 996,548.07/x - Step 3: Cross multiply
1,684,636.99x = 2,325,275.98 × 996,548.07 - Step 4: Simplify right side
1,684,636.99x = 2,317,249,286,972.09 - Step 5: Solve for x
x = 2,317,249,286,972.09/1,684,636.99 - Step 6: Final answer
x = 1,375,518.47
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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.