Finding the Fourth Proportional to 4,249,640.22, 5,862,838.80 and 2,615,210.07
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Solution
The fourth proportional to 4,249,640.22, 5,862,838.80 and 2,615,210.07 is: 3,607,965.45
Step by Step Solution
- Step 1: Write the proportion equation
4,249,640.22 : 5,862,838.80 = 2,615,210.07 : x - Step 2: Convert to fraction form
4,249,640.22/5,862,838.80 = 2,615,210.07/x - Step 3: Cross multiply
4,249,640.22x = 5,862,838.80 × 2,615,210.07 - Step 4: Simplify right side
4,249,640.22x = 15,332,555,068,546.71 - Step 5: Solve for x
x = 15,332,555,068,546.71/4,249,640.22 - Step 6: Final answer
x = 3,607,965.45
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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.