Finding the Fourth Proportional to 4,948,053.28, 6,828,148.32 and 2,742,823.48
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Solution
The fourth proportional to 4,948,053.28, 6,828,148.32 and 2,742,823.48 is: 3,785,004.82
Step by Step Solution
- Step 1: Write the proportion equation
4,948,053.28 : 6,828,148.32 = 2,742,823.48 : x - Step 2: Convert to fraction form
4,948,053.28/6,828,148.32 = 2,742,823.48/x - Step 3: Cross multiply
4,948,053.28x = 6,828,148.32 × 2,742,823.48 - Step 4: Simplify right side
4,948,053.28x = 18,728,405,537,018.55 - Step 5: Solve for x
x = 18,728,405,537,018.55/4,948,053.28 - Step 6: Final answer
x = 3,785,004.82
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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.