Finding the Fourth Proportional to 1,291,700.35, 1,937,986.10 and 571,943.79
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Solution
The fourth proportional to 1,291,700.35, 1,937,986.10 and 571,943.79 is: 858,108.55
Step by Step Solution
- Step 1: Write the proportion equation
1,291,700.35 : 1,937,986.10 = 571,943.79 : x - Step 2: Convert to fraction form
1,291,700.35/1,937,986.10 = 571,943.79/x - Step 3: Cross multiply
1,291,700.35x = 1,937,986.10 × 571,943.79 - Step 4: Simplify right side
1,291,700.35x = 1,108,419,115,001.32 - Step 5: Solve for x
x = 1,108,419,115,001.32/1,291,700.35 - Step 6: Final answer
x = 858,108.55
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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.