Finding the Fourth Proportional to 4,148,987.25, 6,219,931.11 and 1,592,037.13
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Solution
The fourth proportional to 4,148,987.25, 6,219,931.11 and 1,592,037.13 is: 2,386,693.59
Step by Step Solution
- Step 1: Write the proportion equation
4,148,987.25 : 6,219,931.11 = 1,592,037.13 : x - Step 2: Convert to fraction form
4,148,987.25/6,219,931.11 = 1,592,037.13/x - Step 3: Cross multiply
4,148,987.25x = 6,219,931.11 × 1,592,037.13 - Step 4: Simplify right side
4,148,987.25x = 9,902,361,257,612.29 - Step 5: Solve for x
x = 9,902,361,257,612.29/4,148,987.25 - Step 6: Final answer
x = 2,386,693.59
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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.