Finding the Fourth Proportional to 1,779,232.40, 2,669,194.20 and 768,352.40
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Solution
The fourth proportional to 1,779,232.40, 2,669,194.20 and 768,352.40 is: 1,152,677.85
Step by Step Solution
- Step 1: Write the proportion equation
1,779,232.40 : 2,669,194.20 = 768,352.40 : x - Step 2: Convert to fraction form
1,779,232.40/2,669,194.20 = 768,352.40/x - Step 3: Cross multiply
1,779,232.40x = 2,669,194.20 × 768,352.40 - Step 4: Simplify right side
1,779,232.40x = 2,050,881,769,636.08 - Step 5: Solve for x
x = 2,050,881,769,636.08/1,779,232.40 - Step 6: Final answer
x = 1,152,677.85
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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.