Finding the Fourth Proportional to 3,480,365.06, 4,802,831.51 and 1,931,536.79
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Solution
The fourth proportional to 3,480,365.06, 4,802,831.51 and 1,931,536.79 is: 2,665,480.66
Step by Step Solution
- Step 1: Write the proportion equation
3,480,365.06 : 4,802,831.51 = 1,931,536.79 : x - Step 2: Convert to fraction form
3,480,365.06/4,802,831.51 = 1,931,536.79/x - Step 3: Cross multiply
3,480,365.06x = 4,802,831.51 × 1,931,536.79 - Step 4: Simplify right side
3,480,365.06x = 9,276,845,742,075.03 - Step 5: Solve for x
x = 9,276,845,742,075.03/3,480,365.06 - Step 6: Final answer
x = 2,665,480.66
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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.