Finding the Fourth Proportional to 6,831,712.68, 9,424,032.06 and 4,381,597.45
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Solution
The fourth proportional to 6,831,712.68, 9,424,032.06 and 4,381,597.45 is: 6,044,211.28
Step by Step Solution
- Step 1: Write the proportion equation
6,831,712.68 : 9,424,032.06 = 4,381,597.45 : x - Step 2: Convert to fraction form
6,831,712.68/9,424,032.06 = 4,381,597.45/x - Step 3: Cross multiply
6,831,712.68x = 9,424,032.06 × 4,381,597.45 - Step 4: Simplify right side
6,831,712.68x = 41,292,314,842,814.25 - Step 5: Solve for x
x = 41,292,314,842,814.25/6,831,712.68 - Step 6: Final answer
x = 6,044,211.28
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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.