Finding the Fourth Proportional to 2,421,477.68, 3,341,639.04 and 1,403,472.92
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Solution
The fourth proportional to 2,421,477.68, 3,341,639.04 and 1,403,472.92 is: 1,936,792.54
Step by Step Solution
- Step 1: Write the proportion equation
2,421,477.68 : 3,341,639.04 = 1,403,472.92 : x - Step 2: Convert to fraction form
2,421,477.68/3,341,639.04 = 1,403,472.92/x - Step 3: Cross multiply
2,421,477.68x = 3,341,639.04 × 1,403,472.92 - Step 4: Simplify right side
2,421,477.68x = 4,689,899,901,054.80 - Step 5: Solve for x
x = 4,689,899,901,054.80/2,421,477.68 - Step 6: Final answer
x = 1,936,792.54
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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.