Finding the Fourth Proportional to 3,938,920.08, 5,908,381.88 and 1,243,518.64
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Solution
The fourth proportional to 3,938,920.08, 5,908,381.88 and 1,243,518.64 is: 1,865,278.52
Step by Step Solution
- Step 1: Write the proportion equation
3,938,920.08 : 5,908,381.88 = 1,243,518.64 : x - Step 2: Convert to fraction form
3,938,920.08/5,908,381.88 = 1,243,518.64/x - Step 3: Cross multiply
3,938,920.08x = 5,908,381.88 × 1,243,518.64 - Step 4: Simplify right side
3,938,920.08x = 7,347,183,000,018.24 - Step 5: Solve for x
x = 7,347,183,000,018.24/3,938,920.08 - Step 6: Final answer
x = 1,865,278.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.