Finding the Fourth Proportional to 6,243,937.60, 9,361,240.80 and 3,407,252.80
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Solution
The fourth proportional to 6,243,937.60, 9,361,240.80 and 3,407,252.80 is: 5,108,333.23
Step by Step Solution
- Step 1: Write the proportion equation
6,243,937.60 : 9,361,240.80 = 3,407,252.80 : x - Step 2: Convert to fraction form
6,243,937.60/9,361,240.80 = 3,407,252.80/x - Step 3: Cross multiply
6,243,937.60x = 9,361,240.80 × 3,407,252.80 - Step 4: Simplify right side
6,243,937.60x = 31,896,113,927,274.24 - Step 5: Solve for x
x = 31,896,113,927,274.24/6,243,937.60 - Step 6: Final answer
x = 5,108,333.23
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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.