Finding the Fourth Proportional to 2,186,289.23, 3,017,083.28 and 1,219,482.14
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Solution
The fourth proportional to 2,186,289.23, 3,017,083.28 and 1,219,482.14 is: 1,682,887.66
Step by Step Solution
- Step 1: Write the proportion equation
2,186,289.23 : 3,017,083.28 = 1,219,482.14 : x - Step 2: Convert to fraction form
2,186,289.23/3,017,083.28 = 1,219,482.14/x - Step 3: Cross multiply
2,186,289.23x = 3,017,083.28 × 1,219,482.14 - Step 4: Simplify right side
2,186,289.23x = 3,679,279,153,669.79 - Step 5: Solve for x
x = 3,679,279,153,669.79/2,186,289.23 - Step 6: Final answer
x = 1,682,887.66
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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.