Finding the Fourth Proportional to 2,108,083.84, 2,909,156.70 and 1,141,214.14
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Solution
The fourth proportional to 2,108,083.84, 2,909,156.70 and 1,141,214.14 is: 1,574,876.05
Step by Step Solution
- Step 1: Write the proportion equation
2,108,083.84 : 2,909,156.70 = 1,141,214.14 : x - Step 2: Convert to fraction form
2,108,083.84/2,909,156.70 = 1,141,214.14/x - Step 3: Cross multiply
2,108,083.84x = 2,909,156.70 × 1,141,214.14 - Step 4: Simplify right side
2,108,083.84x = 3,319,970,761,515.74 - Step 5: Solve for x
x = 3,319,970,761,515.74/2,108,083.84 - Step 6: Final answer
x = 1,574,876.05
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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.