Finding the Fourth Proportional to 1,521,128.07, 2,098,541.93 and 876,202.83
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Solution
The fourth proportional to 1,521,128.07, 2,098,541.93 and 876,202.83 is: 1,208,805.76
Step by Step Solution
- Step 1: Write the proportion equation
1,521,128.07 : 2,098,541.93 = 876,202.83 : x - Step 2: Convert to fraction form
1,521,128.07/2,098,541.93 = 876,202.83/x - Step 3: Cross multiply
1,521,128.07x = 2,098,541.93 × 876,202.83 - Step 4: Simplify right side
1,521,128.07x = 1,838,748,373,558.65 - Step 5: Solve for x
x = 1,838,748,373,558.65/1,521,128.07 - Step 6: Final answer
x = 1,208,805.76
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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.