Finding the Fourth Proportional to 1,671,245.40, 2,306,328.08 and 982,946.28
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Solution
The fourth proportional to 1,671,245.40, 2,306,328.08 and 982,946.28 is: 1,356,471.41
Step by Step Solution
- Step 1: Write the proportion equation
1,671,245.40 : 2,306,328.08 = 982,946.28 : x - Step 2: Convert to fraction form
1,671,245.40/2,306,328.08 = 982,946.28/x - Step 3: Cross multiply
1,671,245.40x = 2,306,328.08 × 982,946.28 - Step 4: Simplify right side
1,671,245.40x = 2,266,996,606,695.54 - Step 5: Solve for x
x = 2,266,996,606,695.54/1,671,245.40 - Step 6: Final answer
x = 1,356,471.41
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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.