Finding the Fourth Proportional to 2,947,028.08, 4,066,858.20 and 1,657,868.08
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Solution
The fourth proportional to 2,947,028.08, 4,066,858.20 and 1,657,868.08 is: 2,287,835.14
Step by Step Solution
- Step 1: Write the proportion equation
2,947,028.08 : 4,066,858.20 = 1,657,868.08 : x - Step 2: Convert to fraction form
2,947,028.08/4,066,858.20 = 1,657,868.08/x - Step 3: Cross multiply
2,947,028.08x = 4,066,858.20 × 1,657,868.08 - Step 4: Simplify right side
2,947,028.08x = 6,742,314,395,666.26 - Step 5: Solve for x
x = 6,742,314,395,666.26/2,947,028.08 - Step 6: Final answer
x = 2,287,835.14
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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.