Finding the Fourth Proportional to 2,319,208.74, 3,478,812.84 and 1,361,122.20
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Solution
The fourth proportional to 2,319,208.74, 3,478,812.84 and 1,361,122.20 is: 2,041,683.14
Step by Step Solution
- Step 1: Write the proportion equation
2,319,208.74 : 3,478,812.84 = 1,361,122.20 : x - Step 2: Convert to fraction form
2,319,208.74/3,478,812.84 = 1,361,122.20/x - Step 3: Cross multiply
2,319,208.74x = 3,478,812.84 × 1,361,122.20 - Step 4: Simplify right side
2,319,208.74x = 4,735,089,386,169.05 - Step 5: Solve for x
x = 4,735,089,386,169.05/2,319,208.74 - Step 6: Final answer
x = 2,041,683.14
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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.