Finding the Fourth Proportional to 1,589,312.08, 2,193,278.09 and 864,164.70
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Solution
The fourth proportional to 1,589,312.08, 2,193,278.09 and 864,164.70 is: 1,192,562.19
Step by Step Solution
- Step 1: Write the proportion equation
1,589,312.08 : 2,193,278.09 = 864,164.70 : x - Step 2: Convert to fraction form
1,589,312.08/2,193,278.09 = 864,164.70/x - Step 3: Cross multiply
1,589,312.08x = 2,193,278.09 × 864,164.70 - Step 4: Simplify right side
1,589,312.08x = 1,895,353,487,374.21 - Step 5: Solve for x
x = 1,895,353,487,374.21/1,589,312.08 - Step 6: Final answer
x = 1,192,562.19
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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.