Finding the Fourth Proportional to 1,539,628.84, 2,293,208.33 and 1,470,548.80
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Solution
The fourth proportional to 1,539,628.84, 2,293,208.33 and 1,470,548.80 is: 2,190,316.70
Step by Step Solution
- Step 1: Write the proportion equation
1,539,628.84 : 2,293,208.33 = 1,470,548.80 : x - Step 2: Convert to fraction form
1,539,628.84/2,293,208.33 = 1,470,548.80/x - Step 3: Cross multiply
1,539,628.84x = 2,293,208.33 × 1,470,548.80 - Step 4: Simplify right side
1,539,628.84x = 3,372,274,757,831.50 - Step 5: Solve for x
x = 3,372,274,757,831.50/1,539,628.84 - Step 6: Final answer
x = 2,190,316.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.