Finding the Fourth Proportional to 2,871,968.38, 3,963,991.74 and 1,785,060.82
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Solution
The fourth proportional to 2,871,968.38, 3,963,991.74 and 1,785,060.82 is: 2,463,803.71
Step by Step Solution
- Step 1: Write the proportion equation
2,871,968.38 : 3,963,991.74 = 1,785,060.82 : x - Step 2: Convert to fraction form
2,871,968.38/3,963,991.74 = 1,785,060.82/x - Step 3: Cross multiply
2,871,968.38x = 3,963,991.74 × 1,785,060.82 - Step 4: Simplify right side
2,871,968.38x = 7,075,966,345,877.63 - Step 5: Solve for x
x = 7,075,966,345,877.63/2,871,968.38 - Step 6: Final answer
x = 2,463,803.71
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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.