Finding the Fourth Proportional to 1,958,640.74, 2,698,478.04 and 1,515,592.05
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Solution
The fourth proportional to 1,958,640.74, 2,698,478.04 and 1,515,592.05 is: 2,088,076.59
Step by Step Solution
- Step 1: Write the proportion equation
1,958,640.74 : 2,698,478.04 = 1,515,592.05 : x - Step 2: Convert to fraction form
1,958,640.74/2,698,478.04 = 1,515,592.05/x - Step 3: Cross multiply
1,958,640.74x = 2,698,478.04 × 1,515,592.05 - Step 4: Simplify right side
1,958,640.74x = 4,089,791,864,523.58 - Step 5: Solve for x
x = 4,089,791,864,523.58/1,958,640.74 - Step 6: Final answer
x = 2,088,076.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.