Finding the Fourth Proportional to 1,874,159.76, 2,811,239.58 and 454,215.84
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Solution
The fourth proportional to 1,874,159.76, 2,811,239.58 and 454,215.84 is: 681,323.75
Step by Step Solution
- Step 1: Write the proportion equation
1,874,159.76 : 2,811,239.58 = 454,215.84 : x - Step 2: Convert to fraction form
1,874,159.76/2,811,239.58 = 454,215.84/x - Step 3: Cross multiply
1,874,159.76x = 2,811,239.58 × 454,215.84 - Step 4: Simplify right side
1,874,159.76x = 1,276,909,547,270.95 - Step 5: Solve for x
x = 1,276,909,547,270.95/1,874,159.76 - Step 6: Final answer
x = 681,323.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.