Finding the Fourth Proportional to 1,366,415.10, 2,044,957.05 and 1,254,440.70
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Solution
The fourth proportional to 1,366,415.10, 2,044,957.05 and 1,254,440.70 is: 1,877,377.78
Step by Step Solution
- Step 1: Write the proportion equation
1,366,415.10 : 2,044,957.05 = 1,254,440.70 : x - Step 2: Convert to fraction form
1,366,415.10/2,044,957.05 = 1,254,440.70/x - Step 3: Cross multiply
1,366,415.10x = 2,044,957.05 × 1,254,440.70 - Step 4: Simplify right side
1,366,415.10x = 2,565,277,353,271.94 - Step 5: Solve for x
x = 2,565,277,353,271.94/1,366,415.10 - Step 6: Final answer
x = 1,877,377.78
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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.