Finding the Fourth Proportional to 2,972,723.84, 4,104,058.68 and 1,957,081.04
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Solution
The fourth proportional to 2,972,723.84, 4,104,058.68 and 1,957,081.04 is: 2,701,890.88
Step by Step Solution
- Step 1: Write the proportion equation
2,972,723.84 : 4,104,058.68 = 1,957,081.04 : x - Step 2: Convert to fraction form
2,972,723.84/4,104,058.68 = 1,957,081.04/x - Step 3: Cross multiply
2,972,723.84x = 4,104,058.68 × 1,957,081.04 - Step 4: Simplify right side
2,972,723.84x = 8,031,975,429,675.43 - Step 5: Solve for x
x = 8,031,975,429,675.43/2,972,723.84 - Step 6: Final answer
x = 2,701,890.88
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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.