Finding the Fourth Proportional to 2,660,970.80, 3,671,097.72 and 1,640,604.08
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Solution
The fourth proportional to 2,660,970.80, 3,671,097.72 and 1,640,604.08 is: 2,263,391.20
Step by Step Solution
- Step 1: Write the proportion equation
2,660,970.80 : 3,671,097.72 = 1,640,604.08 : x - Step 2: Convert to fraction form
2,660,970.80/3,671,097.72 = 1,640,604.08/x - Step 3: Cross multiply
2,660,970.80x = 3,671,097.72 × 1,640,604.08 - Step 4: Simplify right side
2,660,970.80x = 6,022,817,897,510.70 - Step 5: Solve for x
x = 6,022,817,897,510.70/2,660,970.80 - Step 6: Final answer
x = 2,263,391.20
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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.