Finding the Fourth Proportional to 1,543,335.30, 2,129,093.64 and 999,652.50
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Solution
The fourth proportional to 1,543,335.30, 2,129,093.64 and 999,652.50 is: 1,379,061.17
Step by Step Solution
- Step 1: Write the proportion equation
1,543,335.30 : 2,129,093.64 = 999,652.50 : x - Step 2: Convert to fraction form
1,543,335.30/2,129,093.64 = 999,652.50/x - Step 3: Cross multiply
1,543,335.30x = 2,129,093.64 × 999,652.50 - Step 4: Simplify right side
1,543,335.30x = 2,128,353,779,960.10 - Step 5: Solve for x
x = 2,128,353,779,960.10/1,543,335.30 - Step 6: Final answer
x = 1,379,061.17
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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.