Finding the Fourth Proportional to 5,537,847.80, 8,290,182.90 and 3,292,830.20
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Solution
The fourth proportional to 5,537,847.80, 8,290,182.90 and 3,292,830.20 is: 4,929,381.52
Step by Step Solution
- Step 1: Write the proportion equation
5,537,847.80 : 8,290,182.90 = 3,292,830.20 : x - Step 2: Convert to fraction form
5,537,847.80/8,290,182.90 = 3,292,830.20/x - Step 3: Cross multiply
5,537,847.80x = 8,290,182.90 × 3,292,830.20 - Step 4: Simplify right side
5,537,847.80x = 27,298,164,616,643.58 - Step 5: Solve for x
x = 27,298,164,616,643.58/5,537,847.80 - Step 6: Final answer
x = 4,929,381.52
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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.