Finding the Fourth Proportional to 1,330,368.10, 1,995,811.35 and 531,513.70
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Solution
The fourth proportional to 1,330,368.10, 1,995,811.35 and 531,513.70 is: 797,374.11
Step by Step Solution
- Step 1: Write the proportion equation
1,330,368.10 : 1,995,811.35 = 531,513.70 : x - Step 2: Convert to fraction form
1,330,368.10/1,995,811.35 = 531,513.70/x - Step 3: Cross multiply
1,330,368.10x = 1,995,811.35 × 531,513.70 - Step 4: Simplify right side
1,330,368.10x = 1,060,801,075,140.50 - Step 5: Solve for x
x = 1,060,801,075,140.50/1,330,368.10 - Step 6: Final answer
x = 797,374.11
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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.