Finding the Fourth Proportional to 4,637,234.19, 6,399,485.74 and 2,572,182.49
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Solution
The fourth proportional to 4,637,234.19, 6,399,485.74 and 2,572,182.49 is: 3,549,668.72
Step by Step Solution
- Step 1: Write the proportion equation
4,637,234.19 : 6,399,485.74 = 2,572,182.49 : x - Step 2: Convert to fraction form
4,637,234.19/6,399,485.74 = 2,572,182.49/x - Step 3: Cross multiply
4,637,234.19x = 6,399,485.74 × 2,572,182.49 - Step 4: Simplify right side
4,637,234.19x = 16,460,645,165,432.70 - Step 5: Solve for x
x = 16,460,645,165,432.70/4,637,234.19 - Step 6: Final answer
x = 3,549,668.72
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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.