Finding the Fourth Proportional to 4,090,878.95, 5,641,368.12 and 3,472,373.07
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Solution
The fourth proportional to 4,090,878.95, 5,641,368.12 and 3,472,373.07 is: 4,788,441.56
Step by Step Solution
- Step 1: Write the proportion equation
4,090,878.95 : 5,641,368.12 = 3,472,373.07 : x - Step 2: Convert to fraction form
4,090,878.95/5,641,368.12 = 3,472,373.07/x - Step 3: Cross multiply
4,090,878.95x = 5,641,368.12 × 3,472,373.07 - Step 4: Simplify right side
4,090,878.95x = 19,588,934,737,844.53 - Step 5: Solve for x
x = 19,588,934,737,844.53/4,090,878.95 - Step 6: Final answer
x = 4,788,441.56
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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.