Finding the Fourth Proportional to 1,905,953.96, 2,630,302.26 and 1,141,991.12
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Solution
The fourth proportional to 1,905,953.96, 2,630,302.26 and 1,141,991.12 is: 1,575,999.15
Step by Step Solution
- Step 1: Write the proportion equation
1,905,953.96 : 2,630,302.26 = 1,141,991.12 : x - Step 2: Convert to fraction form
1,905,953.96/2,630,302.26 = 1,141,991.12/x - Step 3: Cross multiply
1,905,953.96x = 2,630,302.26 × 1,141,991.12 - Step 4: Simplify right side
1,905,953.96x = 3,003,781,823,835.93 - Step 5: Solve for x
x = 3,003,781,823,835.93/1,905,953.96 - Step 6: Final answer
x = 1,575,999.15
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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.