Finding the Fourth Proportional to 2,190,430.84, 3,020,831.02 and 1,824,121
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Solution
The fourth proportional to 2,190,430.84, 3,020,831.02 and 1,824,121 is: 2,515,651.81
Step by Step Solution
- Step 1: Write the proportion equation
2,190,430.84 : 3,020,831.02 = 1,824,121 : x - Step 2: Convert to fraction form
2,190,430.84/3,020,831.02 = 1,824,121/x - Step 3: Cross multiply
2,190,430.84x = 3,020,831.02 × 1,824,121 - Step 4: Simplify right side
2,190,430.84x = 5,510,361,301,033.42 - Step 5: Solve for x
x = 5,510,361,301,033.42/2,190,430.84 - Step 6: Final answer
x = 2,515,651.81
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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.