Finding the Fourth Proportional to 6,448,378.68, 8,898,762.06 and 3,547,707.48
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Solution
The fourth proportional to 6,448,378.68, 8,898,762.06 and 3,547,707.48 is: 4,895,836.04
Step by Step Solution
- Step 1: Write the proportion equation
6,448,378.68 : 8,898,762.06 = 3,547,707.48 : x - Step 2: Convert to fraction form
6,448,378.68/8,898,762.06 = 3,547,707.48/x - Step 3: Cross multiply
6,448,378.68x = 8,898,762.06 × 3,547,707.48 - Step 4: Simplify right side
6,448,378.68x = 31,570,204,723,002.21 - Step 5: Solve for x
x = 31,570,204,723,002.21/6,448,378.68 - Step 6: Final answer
x = 4,895,836.04
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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.