Finding the Fourth Proportional to 2,163,292.68, 3,243,992.28 and 1,026,378.98
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Solution
The fourth proportional to 2,163,292.68, 3,243,992.28 and 1,026,378.98 is: 1,539,119.29
Step by Step Solution
- Step 1: Write the proportion equation
2,163,292.68 : 3,243,992.28 = 1,026,378.98 : x - Step 2: Convert to fraction form
2,163,292.68/3,243,992.28 = 1,026,378.98/x - Step 3: Cross multiply
2,163,292.68x = 3,243,992.28 × 1,026,378.98 - Step 4: Simplify right side
2,163,292.68x = 3,329,565,487,474.27 - Step 5: Solve for x
x = 3,329,565,487,474.27/2,163,292.68 - Step 6: Final answer
x = 1,539,119.29
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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.