Finding the Fourth Proportional to 1,590,831.50, 2,195,347.84 and 875,439.50
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Solution
The fourth proportional to 1,590,831.50, 2,195,347.84 and 875,439.50 is: 1,208,106.71
Step by Step Solution
- Step 1: Write the proportion equation
1,590,831.50 : 2,195,347.84 = 875,439.50 : x - Step 2: Convert to fraction form
1,590,831.50/2,195,347.84 = 875,439.50/x - Step 3: Cross multiply
1,590,831.50x = 2,195,347.84 × 875,439.50 - Step 4: Simplify right side
1,590,831.50x = 1,921,894,215,375.68 - Step 5: Solve for x
x = 1,921,894,215,375.68/1,590,831.50 - Step 6: Final answer
x = 1,208,106.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.