Finding the Fourth Proportional to 3,939,207.84, 5,908,809.84 and 947,390.88
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Solution
The fourth proportional to 3,939,207.84, 5,908,809.84 and 947,390.88 is: 1,421,085.86
Step by Step Solution
- Step 1: Write the proportion equation
3,939,207.84 : 5,908,809.84 = 947,390.88 : x - Step 2: Convert to fraction form
3,939,207.84/5,908,809.84 = 947,390.88/x - Step 3: Cross multiply
3,939,207.84x = 5,908,809.84 × 947,390.88 - Step 4: Simplify right side
3,939,207.84x = 5,597,952,554,070.26 - Step 5: Solve for x
x = 5,597,952,554,070.26/3,939,207.84 - Step 6: Final answer
x = 1,421,085.86
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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.