Finding the Fourth Proportional to 2,116,384.48, 2,920,632.03 and 1,149,533.65
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Solution
The fourth proportional to 2,116,384.48, 2,920,632.03 and 1,149,533.65 is: 1,586,368.09
Step by Step Solution
- Step 1: Write the proportion equation
2,116,384.48 : 2,920,632.03 = 1,149,533.65 : x - Step 2: Convert to fraction form
2,116,384.48/2,920,632.03 = 1,149,533.65/x - Step 3: Cross multiply
2,116,384.48x = 2,920,632.03 × 1,149,533.65 - Step 4: Simplify right side
2,116,384.48x = 3,357,364,797,752.81 - Step 5: Solve for x
x = 3,357,364,797,752.81/2,116,384.48 - Step 6: Final answer
x = 1,586,368.09
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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.