Finding the Fourth Proportional to 1,931,212.52, 2,896,818.80 and 1,029,923.68
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Solution
The fourth proportional to 1,931,212.52, 2,896,818.80 and 1,029,923.68 is: 1,544,885.53
Step by Step Solution
- Step 1: Write the proportion equation
1,931,212.52 : 2,896,818.80 = 1,029,923.68 : x - Step 2: Convert to fraction form
1,931,212.52/2,896,818.80 = 1,029,923.68/x - Step 3: Cross multiply
1,931,212.52x = 2,896,818.80 × 1,029,923.68 - Step 4: Simplify right side
1,931,212.52x = 2,983,502,278,789.18 - Step 5: Solve for x
x = 2,983,502,278,789.18/1,931,212.52 - Step 6: Final answer
x = 1,544,885.53
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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.