Finding the Fourth Proportional to 5,212,781.49, 7,819,522.17 and 1,426,297.17
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Solution
The fourth proportional to 5,212,781.49, 7,819,522.17 and 1,426,297.17 is: 2,139,541.50
Step by Step Solution
- Step 1: Write the proportion equation
5,212,781.49 : 7,819,522.17 = 1,426,297.17 : x - Step 2: Convert to fraction form
5,212,781.49/7,819,522.17 = 1,426,297.17/x - Step 3: Cross multiply
5,212,781.49x = 7,819,522.17 × 1,426,297.17 - Step 4: Simplify right side
5,212,781.49x = 11,152,962,341,823.26 - Step 5: Solve for x
x = 11,152,962,341,823.26/5,212,781.49 - Step 6: Final answer
x = 2,139,541.50
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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.