Finding the Fourth Proportional to 1,536,778.84, 2,303,230.32 and 778,810.80
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Solution
The fourth proportional to 1,536,778.84, 2,303,230.32 and 778,810.80 is: 1,167,234.09
Step by Step Solution
- Step 1: Write the proportion equation
1,536,778.84 : 2,303,230.32 = 778,810.80 : x - Step 2: Convert to fraction form
1,536,778.84/2,303,230.32 = 778,810.80/x - Step 3: Cross multiply
1,536,778.84x = 2,303,230.32 × 778,810.80 - Step 4: Simplify right side
1,536,778.84x = 1,793,780,648,103.46 - Step 5: Solve for x
x = 1,793,780,648,103.46/1,536,778.84 - Step 6: Final answer
x = 1,167,234.09
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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.