Finding the Fourth Proportional to 4,781,063.62, 6,598,101.71 and 2,688,564.62
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Solution
The fourth proportional to 4,781,063.62, 6,598,101.71 and 2,688,564.62 is: 3,710,350.72
Step by Step Solution
- Step 1: Write the proportion equation
4,781,063.62 : 6,598,101.71 = 2,688,564.62 : x - Step 2: Convert to fraction form
4,781,063.62/6,598,101.71 = 2,688,564.62/x - Step 3: Cross multiply
4,781,063.62x = 6,598,101.71 × 2,688,564.62 - Step 4: Simplify right side
4,781,063.62x = 17,739,422,839,884.17 - Step 5: Solve for x
x = 17,739,422,839,884.17/4,781,063.62 - Step 6: Final answer
x = 3,710,350.72
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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.