Finding the Fourth Proportional to 1,430,995.41, 2,142,950.15 and 1,051,015.09
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Solution
The fourth proportional to 1,430,995.41, 2,142,950.15 and 1,051,015.09 is: 1,573,920.46
Step by Step Solution
- Step 1: Write the proportion equation
1,430,995.41 : 2,142,950.15 = 1,051,015.09 : x - Step 2: Convert to fraction form
1,430,995.41/2,142,950.15 = 1,051,015.09/x - Step 3: Cross multiply
1,430,995.41x = 2,142,950.15 × 1,051,015.09 - Step 4: Simplify right side
1,430,995.41x = 2,252,272,939,512.69 - Step 5: Solve for x
x = 2,252,272,939,512.69/1,430,995.41 - Step 6: Final answer
x = 1,573,920.46
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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.