Finding the Fourth Proportional to 1,536,770.84, 2,121,029.80 and 883,779.20
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Solution
The fourth proportional to 1,536,770.84, 2,121,029.80 and 883,779.20 is: 1,219,779.79
Step by Step Solution
- Step 1: Write the proportion equation
1,536,770.84 : 2,121,029.80 = 883,779.20 : x - Step 2: Convert to fraction form
1,536,770.84/2,121,029.80 = 883,779.20/x - Step 3: Cross multiply
1,536,770.84x = 2,121,029.80 × 883,779.20 - Step 4: Simplify right side
1,536,770.84x = 1,874,522,019,820.16 - Step 5: Solve for x
x = 1,874,522,019,820.16/1,536,770.84 - Step 6: Final answer
x = 1,219,779.79
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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.