Finding the Fourth Proportional to 1,566,862.40, 2,352,043.20 and 1,213,443.20
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Solution
The fourth proportional to 1,566,862.40, 2,352,043.20 and 1,213,443.20 is: 1,821,519.76
Step by Step Solution
- Step 1: Write the proportion equation
1,566,862.40 : 2,352,043.20 = 1,213,443.20 : x - Step 2: Convert to fraction form
1,566,862.40/2,352,043.20 = 1,213,443.20/x - Step 3: Cross multiply
1,566,862.40x = 2,352,043.20 × 1,213,443.20 - Step 4: Simplify right side
1,566,862.40x = 2,854,070,827,146.24 - Step 5: Solve for x
x = 2,854,070,827,146.24/1,566,862.40 - Step 6: Final answer
x = 1,821,519.76
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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.