Finding the Fourth Proportional to 1,787,029.51, 2,466,117.11 and 971,235.37
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Solution
The fourth proportional to 1,787,029.51, 2,466,117.11 and 971,235.37 is: 1,340,313.72
Step by Step Solution
- Step 1: Write the proportion equation
1,787,029.51 : 2,466,117.11 = 971,235.37 : x - Step 2: Convert to fraction form
1,787,029.51/2,466,117.11 = 971,235.37/x - Step 3: Cross multiply
1,787,029.51x = 2,466,117.11 × 971,235.37 - Step 4: Simplify right side
1,787,029.51x = 2,395,180,163,794.18 - Step 5: Solve for x
x = 2,395,180,163,794.18/1,787,029.51 - Step 6: Final answer
x = 1,340,313.72
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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.