Finding the Fourth Proportional to 2,133,637.81, 2,944,420.07 and 1,166,768.75
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Solution
The fourth proportional to 2,133,637.81, 2,944,420.07 and 1,166,768.75 is: 1,610,140.82
Step by Step Solution
- Step 1: Write the proportion equation
2,133,637.81 : 2,944,420.07 = 1,166,768.75 : x - Step 2: Convert to fraction form
2,133,637.81/2,944,420.07 = 1,166,768.75/x - Step 3: Cross multiply
2,133,637.81x = 2,944,420.07 × 1,166,768.75 - Step 4: Simplify right side
2,133,637.81x = 3,435,457,326,076.02 - Step 5: Solve for x
x = 3,435,457,326,076.02/2,133,637.81 - Step 6: Final answer
x = 1,610,140.82
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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.