Finding the Fourth Proportional to 5,398,941.47, 8,104,015.71 and 3,128,901.08
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Solution
The fourth proportional to 5,398,941.47, 8,104,015.71 and 3,128,901.08 is: 4,696,599.07
Step by Step Solution
- Step 1: Write the proportion equation
5,398,941.47 : 8,104,015.71 = 3,128,901.08 : x - Step 2: Convert to fraction form
5,398,941.47/8,104,015.71 = 3,128,901.08/x - Step 3: Cross multiply
5,398,941.47x = 8,104,015.71 × 3,128,901.08 - Step 4: Simplify right side
5,398,941.47x = 25,356,663,451,191.38 - Step 5: Solve for x
x = 25,356,663,451,191.38/5,398,941.47 - Step 6: Final answer
x = 4,696,599.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.