Finding the Fourth Proportional to 6,155,193.22, 8,495,221.43 and 3,578,368.70
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Solution
The fourth proportional to 6,155,193.22, 8,495,221.43 and 3,578,368.70 is: 4,938,762.01
Step by Step Solution
- Step 1: Write the proportion equation
6,155,193.22 : 8,495,221.43 = 3,578,368.70 : x - Step 2: Convert to fraction form
6,155,193.22/8,495,221.43 = 3,578,368.70/x - Step 3: Cross multiply
6,155,193.22x = 8,495,221.43 × 3,578,368.70 - Step 4: Simplify right side
6,155,193.22x = 30,399,034,464,681.24 - Step 5: Solve for x
x = 30,399,034,464,681.24/6,155,193.22 - Step 6: Final answer
x = 4,938,762.01
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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.