Finding the Fourth Proportional to 1,523,534.90, 2,102,628.51 and 870,258.53
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Solution
The fourth proportional to 1,523,534.90, 2,102,628.51 and 870,258.53 is: 1,201,042.66
Step by Step Solution
- Step 1: Write the proportion equation
1,523,534.90 : 2,102,628.51 = 870,258.53 : x - Step 2: Convert to fraction form
1,523,534.90/2,102,628.51 = 870,258.53/x - Step 3: Cross multiply
1,523,534.90x = 2,102,628.51 × 870,258.53 - Step 4: Simplify right side
1,523,534.90x = 1,829,830,401,505.26 - Step 5: Solve for x
x = 1,829,830,401,505.26/1,523,534.90 - Step 6: Final answer
x = 1,201,042.66
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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.