Finding the Fourth Proportional to 1,672,533.77, 2,307,930.17 and 947,237.09
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Solution
The fourth proportional to 1,672,533.77, 2,307,930.17 and 947,237.09 is: 1,307,092.92
Step by Step Solution
- Step 1: Write the proportion equation
1,672,533.77 : 2,307,930.17 = 947,237.09 : x - Step 2: Convert to fraction form
1,672,533.77/2,307,930.17 = 947,237.09/x - Step 3: Cross multiply
1,672,533.77x = 2,307,930.17 × 947,237.09 - Step 4: Simplify right side
1,672,533.77x = 2,186,157,041,878.17 - Step 5: Solve for x
x = 2,186,157,041,878.17/1,672,533.77 - Step 6: Final answer
x = 1,307,092.92
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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.