Finding the Fourth Proportional to 1,671,836.23, 2,307,840.21 and 1,128,707.65
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Solution
The fourth proportional to 1,671,836.23, 2,307,840.21 and 1,128,707.65 is: 1,558,093.34
Step by Step Solution
- Step 1: Write the proportion equation
1,671,836.23 : 2,307,840.21 = 1,128,707.65 : x - Step 2: Convert to fraction form
1,671,836.23/2,307,840.21 = 1,128,707.65/x - Step 3: Cross multiply
1,671,836.23x = 2,307,840.21 × 1,128,707.65 - Step 4: Simplify right side
1,671,836.23x = 2,604,876,900,004.61 - Step 5: Solve for x
x = 2,604,876,900,004.61/1,671,836.23 - Step 6: Final answer
x = 1,558,093.34
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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.