Finding the Fourth Proportional to 4,242,132.18, 6,363,211.47 and 1,047,258.69
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Solution
The fourth proportional to 4,242,132.18, 6,363,211.47 and 1,047,258.69 is: 1,570,891.29
Step by Step Solution
- Step 1: Write the proportion equation
4,242,132.18 : 6,363,211.47 = 1,047,258.69 : x - Step 2: Convert to fraction form
4,242,132.18/6,363,211.47 = 1,047,258.69/x - Step 3: Cross multiply
4,242,132.18x = 6,363,211.47 × 1,047,258.69 - Step 4: Simplify right side
4,242,132.18x = 6,663,928,508,265.17 - Step 5: Solve for x
x = 6,663,928,508,265.17/4,242,132.18 - Step 6: Final answer
x = 1,570,891.29
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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.