Finding the Fourth Proportional to 5,153,354.34, 7,730,937.09 and 1,958,759.70
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Solution
The fourth proportional to 5,153,354.34, 7,730,937.09 and 1,958,759.70 is: 2,938,483.76
Step by Step Solution
- Step 1: Write the proportion equation
5,153,354.34 : 7,730,937.09 = 1,958,759.70 : x - Step 2: Convert to fraction form
5,153,354.34/7,730,937.09 = 1,958,759.70/x - Step 3: Cross multiply
5,153,354.34x = 7,730,937.09 × 1,958,759.70 - Step 4: Simplify right side
5,153,354.34x = 15,143,048,015,127.27 - Step 5: Solve for x
x = 15,143,048,015,127.27/5,153,354.34 - Step 6: Final answer
x = 2,938,483.76
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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.