Finding the Fourth Proportional to 4,032,008.64, 5,564,181.60 and 2,221,202.88
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Solution
The fourth proportional to 4,032,008.64, 5,564,181.60 and 2,221,202.88 is: 3,065,265.31
Step by Step Solution
- Step 1: Write the proportion equation
4,032,008.64 : 5,564,181.60 = 2,221,202.88 : x - Step 2: Convert to fraction form
4,032,008.64/5,564,181.60 = 2,221,202.88/x - Step 3: Cross multiply
4,032,008.64x = 5,564,181.60 × 2,221,202.88 - Step 4: Simplify right side
4,032,008.64x = 12,359,176,194,763.01 - Step 5: Solve for x
x = 12,359,176,194,763.01/4,032,008.64 - Step 6: Final answer
x = 3,065,265.31
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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.