Finding the Fourth Proportional to 1,871,107.84, 2,582,792.76 and 1,107,159.76
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Solution
The fourth proportional to 1,871,107.84, 2,582,792.76 and 1,107,159.76 is: 1,528,273.33
Step by Step Solution
- Step 1: Write the proportion equation
1,871,107.84 : 2,582,792.76 = 1,107,159.76 : x - Step 2: Convert to fraction form
1,871,107.84/2,582,792.76 = 1,107,159.76/x - Step 3: Cross multiply
1,871,107.84x = 2,582,792.76 × 1,107,159.76 - Step 4: Simplify right side
1,871,107.84x = 2,859,564,212,291.34 - Step 5: Solve for x
x = 2,859,564,212,291.34/1,871,107.84 - Step 6: Final answer
x = 1,528,273.33
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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.