Finding the Fourth Proportional to 2,931,138.63, 4,044,970.46 and 1,606,554.74
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Solution
The fourth proportional to 2,931,138.63, 4,044,970.46 and 1,606,554.74 is: 2,217,045.08
Step by Step Solution
- Step 1: Write the proportion equation
2,931,138.63 : 4,044,970.46 = 1,606,554.74 : x - Step 2: Convert to fraction form
2,931,138.63/4,044,970.46 = 1,606,554.74/x - Step 3: Cross multiply
2,931,138.63x = 4,044,970.46 × 1,606,554.74 - Step 4: Simplify right side
2,931,138.63x = 6,498,466,479,801.79 - Step 5: Solve for x
x = 6,498,466,479,801.79/2,931,138.63 - Step 6: Final answer
x = 2,217,045.08
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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.