Finding the Fourth Proportional to 2,872,379.08, 3,963,702.90 and 1,583,148.52
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Solution
The fourth proportional to 2,872,379.08, 3,963,702.90 and 1,583,148.52 is: 2,184,645.62
Step by Step Solution
- Step 1: Write the proportion equation
2,872,379.08 : 3,963,702.90 = 1,583,148.52 : x - Step 2: Convert to fraction form
2,872,379.08/3,963,702.90 = 1,583,148.52/x - Step 3: Cross multiply
2,872,379.08x = 3,963,702.90 × 1,583,148.52 - Step 4: Simplify right side
2,872,379.08x = 6,275,130,379,854.71 - Step 5: Solve for x
x = 6,275,130,379,854.71/2,872,379.08 - Step 6: Final answer
x = 2,184,645.62
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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.