Finding the Fourth Proportional to 2,775,820.16, 3,832,802.88 and 2,130,217.76
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Solution
The fourth proportional to 2,775,820.16, 3,832,802.88 and 2,130,217.76 is: 2,941,366.62
Step by Step Solution
- Step 1: Write the proportion equation
2,775,820.16 : 3,832,802.88 = 2,130,217.76 : x - Step 2: Convert to fraction form
2,775,820.16/3,832,802.88 = 2,130,217.76/x - Step 3: Cross multiply
2,775,820.16x = 3,832,802.88 × 2,130,217.76 - Step 4: Simplify right side
2,775,820.16x = 8,164,704,765,555.15 - Step 5: Solve for x
x = 8,164,704,765,555.15/2,775,820.16 - Step 6: Final answer
x = 2,941,366.62
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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.