Finding the Fourth Proportional to 7,539,504.94, 10,408,130.58 and 4,641,380.02
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Solution
The fourth proportional to 7,539,504.94, 10,408,130.58 and 4,641,380.02 is: 6,407,329.09
Step by Step Solution
- Step 1: Write the proportion equation
7,539,504.94 : 10,408,130.58 = 4,641,380.02 : x - Step 2: Convert to fraction form
7,539,504.94/10,408,130.58 = 4,641,380.02/x - Step 3: Cross multiply
7,539,504.94x = 10,408,130.58 × 4,641,380.02 - Step 4: Simplify right side
7,539,504.94x = 48,308,089,319,563.01 - Step 5: Solve for x
x = 48,308,089,319,563.01/7,539,504.94 - Step 6: Final answer
x = 6,407,329.09
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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.