Finding the Fourth Proportional to 6,402,877.58, 8,835,783.08 and 3,502,205.66
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Solution
The fourth proportional to 6,402,877.58, 8,835,783.08 and 3,502,205.66 is: 4,832,940.99
Step by Step Solution
- Step 1: Write the proportion equation
6,402,877.58 : 8,835,783.08 = 3,502,205.66 : x - Step 2: Convert to fraction form
6,402,877.58/8,835,783.08 = 3,502,205.66/x - Step 3: Cross multiply
6,402,877.58x = 8,835,783.08 × 3,502,205.66 - Step 4: Simplify right side
6,402,877.58x = 30,944,729,513,308.23 - Step 5: Solve for x
x = 30,944,729,513,308.23/6,402,877.58 - Step 6: Final answer
x = 4,832,940.99
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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.