Finding the Fourth Proportional to 2,177,359.36, 3,004,585.68 and 1,210,430.68
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Solution
The fourth proportional to 2,177,359.36, 3,004,585.68 and 1,210,430.68 is: 1,670,299.70
Step by Step Solution
- Step 1: Write the proportion equation
2,177,359.36 : 3,004,585.68 = 1,210,430.68 : x - Step 2: Convert to fraction form
2,177,359.36/3,004,585.68 = 1,210,430.68/x - Step 3: Cross multiply
2,177,359.36x = 3,004,585.68 × 1,210,430.68 - Step 4: Simplify right side
2,177,359.36x = 3,636,842,687,760.66 - Step 5: Solve for x
x = 3,636,842,687,760.66/2,177,359.36 - Step 6: Final answer
x = 1,670,299.70
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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.