Finding the Fourth Proportional to 2,207,871.19, 3,046,948.61 and 1,240,998.49
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Solution
The fourth proportional to 2,207,871.19, 3,046,948.61 and 1,240,998.49 is: 1,712,626.46
Step by Step Solution
- Step 1: Write the proportion equation
2,207,871.19 : 3,046,948.61 = 1,240,998.49 : x - Step 2: Convert to fraction form
2,207,871.19/3,046,948.61 = 1,240,998.49/x - Step 3: Cross multiply
2,207,871.19x = 3,046,948.61 × 1,240,998.49 - Step 4: Simplify right side
2,207,871.19x = 3,781,258,624,117.60 - Step 5: Solve for x
x = 3,781,258,624,117.60/2,207,871.19 - Step 6: Final answer
x = 1,712,626.46
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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.