Finding the Fourth Proportional to 4,387,638.98, 6,056,569.86 and 3,303,056.45
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Solution
The fourth proportional to 4,387,638.98, 6,056,569.86 and 3,303,056.45 is: 4,559,443.53
Step by Step Solution
- Step 1: Write the proportion equation
4,387,638.98 : 6,056,569.86 = 3,303,056.45 : x - Step 2: Convert to fraction form
4,387,638.98/6,056,569.86 = 3,303,056.45/x - Step 3: Cross multiply
4,387,638.98x = 6,056,569.86 × 3,303,056.45 - Step 4: Simplify right side
4,387,638.98x = 20,005,192,140,948.60 - Step 5: Solve for x
x = 20,005,192,140,948.60/4,387,638.98 - Step 6: Final answer
x = 4,559,443.53
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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.