Finding the Fourth Proportional to 6,448,190.38, 8,898,502.35 and 3,547,518.95
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Solution
The fourth proportional to 6,448,190.38, 8,898,502.35 and 3,547,518.95 is: 4,895,575.95
Step by Step Solution
- Step 1: Write the proportion equation
6,448,190.38 : 8,898,502.35 = 3,547,518.95 : x - Step 2: Convert to fraction form
6,448,190.38/8,898,502.35 = 3,547,518.95/x - Step 3: Cross multiply
6,448,190.38x = 8,898,502.35 × 3,547,518.95 - Step 4: Simplify right side
6,448,190.38x = 31,567,605,735,490.79 - Step 5: Solve for x
x = 31,567,605,735,490.79/6,448,190.38 - Step 6: Final answer
x = 4,895,575.95
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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.