Finding the Fourth Proportional to 4,413,771.86, 6,620,782.02 and 1,218,898.05
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Solution
The fourth proportional to 4,413,771.86, 6,620,782.02 and 1,218,898.05 is: 1,828,381.38
Step by Step Solution
- Step 1: Write the proportion equation
4,413,771.86 : 6,620,782.02 = 1,218,898.05 : x - Step 2: Convert to fraction form
4,413,771.86/6,620,782.02 = 1,218,898.05/x - Step 3: Cross multiply
4,413,771.86x = 6,620,782.02 × 1,218,898.05 - Step 4: Simplify right side
4,413,771.86x = 8,070,058,293,159.66 - Step 5: Solve for x
x = 8,070,058,293,159.66/4,413,771.86 - Step 6: Final answer
x = 1,828,381.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.