Finding the Fourth Proportional to 1,139,204.05, 1,572,101.99 and 649,159.54
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Solution
The fourth proportional to 1,139,204.05, 1,572,101.99 and 649,159.54 is: 895,840.40
Step by Step Solution
- Step 1: Write the proportion equation
1,139,204.05 : 1,572,101.99 = 649,159.54 : x - Step 2: Convert to fraction form
1,139,204.05/1,572,101.99 = 649,159.54/x - Step 3: Cross multiply
1,139,204.05x = 1,572,101.99 × 649,159.54 - Step 4: Simplify right side
1,139,204.05x = 1,020,545,004,661.48 - Step 5: Solve for x
x = 1,020,545,004,661.48/1,139,204.05 - Step 6: Final answer
x = 895,840.40
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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.