Finding the Fourth Proportional to 1,692,359.91, 2,538,781.29 and 555,210.99
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Solution
The fourth proportional to 1,692,359.91, 2,538,781.29 and 555,210.99 is: 832,895.69
Step by Step Solution
- Step 1: Write the proportion equation
1,692,359.91 : 2,538,781.29 = 555,210.99 : x - Step 2: Convert to fraction form
1,692,359.91/2,538,781.29 = 555,210.99/x - Step 3: Cross multiply
1,692,359.91x = 2,538,781.29 × 555,210.99 - Step 4: Simplify right side
1,692,359.91x = 1,409,559,273,414.38 - Step 5: Solve for x
x = 1,409,559,273,414.38/1,692,359.91 - Step 6: Final answer
x = 832,895.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.