Finding the Fourth Proportional to 2,879,510.64, 4,319,790.84 and 1,440,946.32
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Solution
The fourth proportional to 2,879,510.64, 4,319,790.84 and 1,440,946.32 is: 2,161,682.14
Step by Step Solution
- Step 1: Write the proportion equation
2,879,510.64 : 4,319,790.84 = 1,440,946.32 : x - Step 2: Convert to fraction form
2,879,510.64/4,319,790.84 = 1,440,946.32/x - Step 3: Cross multiply
2,879,510.64x = 4,319,790.84 × 1,440,946.32 - Step 4: Simplify right side
2,879,510.64x = 6,224,586,714,067.71 - Step 5: Solve for x
x = 6,224,586,714,067.71/2,879,510.64 - Step 6: Final answer
x = 2,161,682.14
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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.