Finding the Fourth Proportional to 2,127,430.76, 2,935,854.44 and 1,160,564.94
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Solution
The fourth proportional to 2,127,430.76, 2,935,854.44 and 1,160,564.94 is: 1,601,579.61
Step by Step Solution
- Step 1: Write the proportion equation
2,127,430.76 : 2,935,854.44 = 1,160,564.94 : x - Step 2: Convert to fraction form
2,127,430.76/2,935,854.44 = 1,160,564.94/x - Step 3: Cross multiply
2,127,430.76x = 2,935,854.44 × 1,160,564.94 - Step 4: Simplify right side
2,127,430.76x = 3,407,249,732,007.33 - Step 5: Solve for x
x = 3,407,249,732,007.33/2,127,430.76 - Step 6: Final answer
x = 1,601,579.61
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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.