Finding the Fourth Proportional to 2,894,663.30, 3,995,113.52 and 1,605,918.87
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Solution
The fourth proportional to 2,894,663.30, 3,995,113.52 and 1,605,918.87 is: 2,216,433.33
Step by Step Solution
- Step 1: Write the proportion equation
2,894,663.30 : 3,995,113.52 = 1,605,918.87 : x - Step 2: Convert to fraction form
2,894,663.30/3,995,113.52 = 1,605,918.87/x - Step 3: Cross multiply
2,894,663.30x = 3,995,113.52 × 1,605,918.87 - Step 4: Simplify right side
2,894,663.30x = 6,415,828,193,574.92 - Step 5: Solve for x
x = 6,415,828,193,574.92/2,894,663.30 - Step 6: Final answer
x = 2,216,433.33
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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.