Finding the Fourth Proportional to 2,470,433.99, 3,408,421.68 and 1,382,532.71
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Solution
The fourth proportional to 2,470,433.99, 3,408,421.68 and 1,382,532.71 is: 1,907,460.18
Step by Step Solution
- Step 1: Write the proportion equation
2,470,433.99 : 3,408,421.68 = 1,382,532.71 : x - Step 2: Convert to fraction form
2,470,433.99/3,408,421.68 = 1,382,532.71/x - Step 3: Cross multiply
2,470,433.99x = 3,408,421.68 × 1,382,532.71 - Step 4: Simplify right side
2,470,433.99x = 4,712,254,445,031.05 - Step 5: Solve for x
x = 4,712,254,445,031.05/2,470,433.99 - Step 6: Final answer
x = 1,907,460.18
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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.