Finding the Fourth Proportional to 6,349,746.81, 8,762,808.66 and 3,449,136.81
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Solution
The fourth proportional to 6,349,746.81, 8,762,808.66 and 3,449,136.81 is: 4,759,894.66
Step by Step Solution
- Step 1: Write the proportion equation
6,349,746.81 : 8,762,808.66 = 3,449,136.81 : x - Step 2: Convert to fraction form
6,349,746.81/8,762,808.66 = 3,449,136.81/x - Step 3: Cross multiply
6,349,746.81x = 8,762,808.66 × 3,449,136.81 - Step 4: Simplify right side
6,349,746.81x = 30,224,125,908,192.78 - Step 5: Solve for x
x = 30,224,125,908,192.78/6,349,746.81 - Step 6: Final answer
x = 4,759,894.66
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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.