Finding the Fourth Proportional to 3,144,377.21, 4,717,562.51 and 1,122,577.79
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Solution
The fourth proportional to 3,144,377.21, 4,717,562.51 and 1,122,577.79 is: 1,684,222.51
Step by Step Solution
- Step 1: Write the proportion equation
3,144,377.21 : 4,717,562.51 = 1,122,577.79 : x - Step 2: Convert to fraction form
3,144,377.21/4,717,562.51 = 1,122,577.79/x - Step 3: Cross multiply
3,144,377.21x = 4,717,562.51 × 1,122,577.79 - Step 4: Simplify right side
3,144,377.21x = 5,295,830,875,881.28 - Step 5: Solve for x
x = 5,295,830,875,881.28/3,144,377.21 - Step 6: Final answer
x = 1,684,222.51
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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.