Finding the Fourth Proportional to 2,872,257.58, 3,963,695.61 and 1,583,098.66
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Solution
The fourth proportional to 2,872,257.58, 3,963,695.61 and 1,583,098.66 is: 2,184,665.21
Step by Step Solution
- Step 1: Write the proportion equation
2,872,257.58 : 3,963,695.61 = 1,583,098.66 : x - Step 2: Convert to fraction form
2,872,257.58/3,963,695.61 = 1,583,098.66/x - Step 3: Cross multiply
2,872,257.58x = 3,963,695.61 × 1,583,098.66 - Step 4: Simplify right side
2,872,257.58x = 6,274,921,208,838.88 - Step 5: Solve for x
x = 6,274,921,208,838.88/2,872,257.58 - Step 6: Final answer
x = 2,184,665.21
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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.