Finding the Fourth Proportional to 2,502,939.84, 3,454,129.83 and 1,415,188.05
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Solution
The fourth proportional to 2,502,939.84, 3,454,129.83 and 1,415,188.05 is: 1,953,000.70
Step by Step Solution
- Step 1: Write the proportion equation
2,502,939.84 : 3,454,129.83 = 1,415,188.05 : x - Step 2: Convert to fraction form
2,502,939.84/3,454,129.83 = 1,415,188.05/x - Step 3: Cross multiply
2,502,939.84x = 3,454,129.83 × 1,415,188.05 - Step 4: Simplify right side
2,502,939.84x = 4,888,243,258,564.53 - Step 5: Solve for x
x = 4,888,243,258,564.53/2,502,939.84 - Step 6: Final answer
x = 1,953,000.70
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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.