Finding the Fourth Proportional to 2,634,812.08, 3,636,053.76 and 1,427,588.08
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Solution
The fourth proportional to 2,634,812.08, 3,636,053.76 and 1,427,588.08 is: 1,970,078.64
Step by Step Solution
- Step 1: Write the proportion equation
2,634,812.08 : 3,636,053.76 = 1,427,588.08 : x - Step 2: Convert to fraction form
2,634,812.08/3,636,053.76 = 1,427,588.08/x - Step 3: Cross multiply
2,634,812.08x = 3,636,053.76 × 1,427,588.08 - Step 4: Simplify right side
2,634,812.08x = 5,190,787,006,015.18 - Step 5: Solve for x
x = 5,190,787,006,015.18/2,634,812.08 - Step 6: Final answer
x = 1,970,078.64
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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.