Finding the Fourth Proportional to 2,855,780.07, 4,279,642.40 and 1,576,963.26
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Solution
The fourth proportional to 2,855,780.07, 4,279,642.40 and 1,576,963.26 is: 2,363,220.79
Step by Step Solution
- Step 1: Write the proportion equation
2,855,780.07 : 4,279,642.40 = 1,576,963.26 : x - Step 2: Convert to fraction form
2,855,780.07/4,279,642.40 = 1,576,963.26/x - Step 3: Cross multiply
2,855,780.07x = 4,279,642.40 × 1,576,963.26 - Step 4: Simplify right side
2,855,780.07x = 6,748,838,828,423.86 - Step 5: Solve for x
x = 6,748,838,828,423.86/2,855,780.07 - Step 6: Final answer
x = 2,363,220.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.