Finding the Fourth Proportional to 2,128,752.64, 2,937,706.24 and 1,257,616
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Solution
The fourth proportional to 2,128,752.64, 2,937,706.24 and 1,257,616 is: 1,735,526.38
Step by Step Solution
- Step 1: Write the proportion equation
2,128,752.64 : 2,937,706.24 = 1,257,616 : x - Step 2: Convert to fraction form
2,128,752.64/2,937,706.24 = 1,257,616/x - Step 3: Cross multiply
2,128,752.64x = 2,937,706.24 × 1,257,616 - Step 4: Simplify right side
2,128,752.64x = 3,694,506,370,723.84 - Step 5: Solve for x
x = 3,694,506,370,723.84/2,128,752.64 - Step 6: Final answer
x = 1,735,526.38
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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.