Finding the Fourth Proportional to 2,587,785.99, 3,571,159.28 and 1,500,702.99
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Solution
The fourth proportional to 2,587,785.99, 3,571,159.28 and 1,500,702.99 is: 2,070,978.60
Step by Step Solution
- Step 1: Write the proportion equation
2,587,785.99 : 3,571,159.28 = 1,500,702.99 : x - Step 2: Convert to fraction form
2,587,785.99/3,571,159.28 = 1,500,702.99/x - Step 3: Cross multiply
2,587,785.99x = 3,571,159.28 × 1,500,702.99 - Step 4: Simplify right side
2,587,785.99x = 5,359,249,401,758.73 - Step 5: Solve for x
x = 5,359,249,401,758.73/2,587,785.99 - Step 6: Final answer
x = 2,070,978.60
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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.