Finding the Fourth Proportional to 1,391,946.49, 2,088,077.47 and 1,248,912.98
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Solution
The fourth proportional to 1,391,946.49, 2,088,077.47 and 1,248,912.98 is: 1,873,510.99
Step by Step Solution
- Step 1: Write the proportion equation
1,391,946.49 : 2,088,077.47 = 1,248,912.98 : x - Step 2: Convert to fraction form
1,391,946.49/2,088,077.47 = 1,248,912.98/x - Step 3: Cross multiply
1,391,946.49x = 2,088,077.47 × 1,248,912.98 - Step 4: Simplify right side
1,391,946.49x = 2,607,827,049,796.18 - Step 5: Solve for x
x = 2,607,827,049,796.18/1,391,946.49 - Step 6: Final answer
x = 1,873,510.99
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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.