Finding the Fourth Proportional to 4,698,890.36, 6,472,339.68 and 3,319,840.20
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Solution
The fourth proportional to 4,698,890.36, 6,472,339.68 and 3,319,840.20 is: 4,572,810.14
Step by Step Solution
- Step 1: Write the proportion equation
4,698,890.36 : 6,472,339.68 = 3,319,840.20 : x - Step 2: Convert to fraction form
4,698,890.36/6,472,339.68 = 3,319,840.20/x - Step 3: Cross multiply
4,698,890.36x = 6,472,339.68 × 3,319,840.20 - Step 4: Simplify right side
4,698,890.36x = 21,487,133,494,439.81 - Step 5: Solve for x
x = 21,487,133,494,439.81/4,698,890.36 - Step 6: Final answer
x = 4,572,810.14
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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.