Finding the Fourth Proportional to 5,358,835.67, 7,395,153.59 and 2,911,466.84
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Solution
The fourth proportional to 5,358,835.67, 7,395,153.59 and 2,911,466.84 is: 4,017,802.70
Step by Step Solution
- Step 1: Write the proportion equation
5,358,835.67 : 7,395,153.59 = 2,911,466.84 : x - Step 2: Convert to fraction form
5,358,835.67/7,395,153.59 = 2,911,466.84/x - Step 3: Cross multiply
5,358,835.67x = 7,395,153.59 × 2,911,466.84 - Step 4: Simplify right side
5,358,835.67x = 21,530,744,424,294.86 - Step 5: Solve for x
x = 21,530,744,424,294.86/5,358,835.67 - Step 6: Final answer
x = 4,017,802.70
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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.