Finding the Fourth Proportional to 1,838,907.74, 2,537,472.18 and 1,022,905.22
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Solution
The fourth proportional to 1,838,907.74, 2,537,472.18 and 1,022,905.22 is: 1,411,486.55
Step by Step Solution
- Step 1: Write the proportion equation
1,838,907.74 : 2,537,472.18 = 1,022,905.22 : x - Step 2: Convert to fraction form
1,838,907.74/2,537,472.18 = 1,022,905.22/x - Step 3: Cross multiply
1,838,907.74x = 2,537,472.18 × 1,022,905.22 - Step 4: Simplify right side
1,838,907.74x = 2,595,593,538,526.78 - Step 5: Solve for x
x = 2,595,593,538,526.78/1,838,907.74 - Step 6: Final answer
x = 1,411,486.55
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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.