Finding the Fourth Proportional to 3,529,476.13, 5,280,854.13 and 2,090,931.77
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Solution
The fourth proportional to 3,529,476.13, 5,280,854.13 and 2,090,931.77 is: 3,128,482.89
Step by Step Solution
- Step 1: Write the proportion equation
3,529,476.13 : 5,280,854.13 = 2,090,931.77 : x - Step 2: Convert to fraction form
3,529,476.13/5,280,854.13 = 2,090,931.77/x - Step 3: Cross multiply
3,529,476.13x = 5,280,854.13 × 2,090,931.77 - Step 4: Simplify right side
3,529,476.13x = 11,041,905,686,354.85 - Step 5: Solve for x
x = 11,041,905,686,354.85/3,529,476.13 - Step 6: Final answer
x = 3,128,482.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.