Finding the Fourth Proportional to 6,430,448.88, 8,874,038.88 and 3,530,136.96
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Solution
The fourth proportional to 6,430,448.88, 8,874,038.88 and 3,530,136.96 is: 4,871,599.67
Step by Step Solution
- Step 1: Write the proportion equation
6,430,448.88 : 8,874,038.88 = 3,530,136.96 : x - Step 2: Convert to fraction form
6,430,448.88/8,874,038.88 = 3,530,136.96/x - Step 3: Cross multiply
6,430,448.88x = 8,874,038.88 × 3,530,136.96 - Step 4: Simplify right side
6,430,448.88x = 31,326,572,634,765.01 - Step 5: Solve for x
x = 31,326,572,634,765.01/6,430,448.88 - Step 6: Final answer
x = 4,871,599.67
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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.