Finding the Fourth Proportional to 2,871,986.19, 3,963,327.95 and 1,582,823.79
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Solution
The fourth proportional to 2,871,986.19, 3,963,327.95 and 1,582,823.79 is: 2,184,289.67
Step by Step Solution
- Step 1: Write the proportion equation
2,871,986.19 : 3,963,327.95 = 1,582,823.79 : x - Step 2: Convert to fraction form
2,871,986.19/3,963,327.95 = 1,582,823.79/x - Step 3: Cross multiply
2,871,986.19x = 3,963,327.95 × 1,582,823.79 - Step 4: Simplify right side
2,871,986.19x = 6,273,249,758,917.81 - Step 5: Solve for x
x = 6,273,249,758,917.81/2,871,986.19 - Step 6: Final answer
x = 2,184,289.67
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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.