Finding the Fourth Proportional to 2,509,686.16, 3,763,963.86 and 712,532.68
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Solution
The fourth proportional to 2,509,686.16, 3,763,963.86 and 712,532.68 is: 1,068,638.50
Step by Step Solution
- Step 1: Write the proportion equation
2,509,686.16 : 3,763,963.86 = 712,532.68 : x - Step 2: Convert to fraction form
2,509,686.16/3,763,963.86 = 712,532.68/x - Step 3: Cross multiply
2,509,686.16x = 3,763,963.86 × 712,532.68 - Step 4: Simplify right side
2,509,686.16x = 2,681,947,256,588.94 - Step 5: Solve for x
x = 2,681,947,256,588.94/2,509,686.16 - Step 6: Final answer
x = 1,068,638.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.