Finding the Fourth Proportional to 2,152,108.74, 2,969,794.80 and 1,185,050.28
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Solution
The fourth proportional to 2,152,108.74, 2,969,794.80 and 1,185,050.28 is: 1,635,305.92
Step by Step Solution
- Step 1: Write the proportion equation
2,152,108.74 : 2,969,794.80 = 1,185,050.28 : x - Step 2: Convert to fraction form
2,152,108.74/2,969,794.80 = 1,185,050.28/x - Step 3: Cross multiply
2,152,108.74x = 2,969,794.80 × 1,185,050.28 - Step 4: Simplify right side
2,152,108.74x = 3,519,356,159,282.54 - Step 5: Solve for x
x = 3,519,356,159,282.54/2,152,108.74 - Step 6: Final answer
x = 1,635,305.92
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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.