Finding the Fourth Proportional to 2,470,434.99, 3,408,423.06 and 1,382,533.71
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Solution
The fourth proportional to 2,470,434.99, 3,408,423.06 and 1,382,533.71 is: 1,907,461.56
Step by Step Solution
- Step 1: Write the proportion equation
2,470,434.99 : 3,408,423.06 = 1,382,533.71 : x - Step 2: Convert to fraction form
2,470,434.99/3,408,423.06 = 1,382,533.71/x - Step 3: Cross multiply
2,470,434.99x = 3,408,423.06 × 1,382,533.71 - Step 4: Simplify right side
2,470,434.99x = 4,712,259,778,391.35 - Step 5: Solve for x
x = 4,712,259,778,391.35/2,470,434.99 - Step 6: Final answer
x = 1,907,461.56
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1.5x scale
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.