Finding the Fourth Proportional to 1,489,786.16, 2,234,699.84 and 424,828.08
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Solution
The fourth proportional to 1,489,786.16, 2,234,699.84 and 424,828.08 is: 637,248.00
Step by Step Solution
- Step 1: Write the proportion equation
1,489,786.16 : 2,234,699.84 = 424,828.08 : x - Step 2: Convert to fraction form
1,489,786.16/2,234,699.84 = 424,828.08/x - Step 3: Cross multiply
1,489,786.16x = 2,234,699.84 × 424,828.08 - Step 4: Simplify right side
1,489,786.16x = 949,363,243,465.58 - Step 5: Solve for x
x = 949,363,243,465.58/1,489,786.16 - Step 6: Final answer
x = 637,248.00
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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.