Finding the Fourth Proportional to 4,871,012.58, 6,721,831.85 and 2,695,647.42
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Solution
The fourth proportional to 4,871,012.58, 6,721,831.85 and 2,695,647.42 is: 3,719,901.84
Step by Step Solution
- Step 1: Write the proportion equation
4,871,012.58 : 6,721,831.85 = 2,695,647.42 : x - Step 2: Convert to fraction form
4,871,012.58/6,721,831.85 = 2,695,647.42/x - Step 3: Cross multiply
4,871,012.58x = 6,721,831.85 × 2,695,647.42 - Step 4: Simplify right side
4,871,012.58x = 18,119,688,670,648.09 - Step 5: Solve for x
x = 18,119,688,670,648.09/4,871,012.58 - Step 6: Final answer
x = 3,719,901.84
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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.