Finding the Fourth Proportional to 1,962,932.40, 2,710,911.92 and 1,748,957.74
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Solution
The fourth proportional to 1,962,932.40, 2,710,911.92 and 1,748,957.74 is: 2,415,401.76
Step by Step Solution
- Step 1: Write the proportion equation
1,962,932.40 : 2,710,911.92 = 1,748,957.74 : x - Step 2: Convert to fraction form
1,962,932.40/2,710,911.92 = 1,748,957.74/x - Step 3: Cross multiply
1,962,932.40x = 2,710,911.92 × 1,748,957.74 - Step 4: Simplify right side
1,962,932.40x = 4,741,270,369,420.19 - Step 5: Solve for x
x = 4,741,270,369,420.19/1,962,932.40 - Step 6: Final answer
x = 2,415,401.76
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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.