Finding the Fourth Proportional to 1,971,981.84, 2,958,299.93 and 692,257.57
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Solution
The fourth proportional to 1,971,981.84, 2,958,299.93 and 692,257.57 is: 1,038,501.21
Step by Step Solution
- Step 1: Write the proportion equation
1,971,981.84 : 2,958,299.93 = 692,257.57 : x - Step 2: Convert to fraction form
1,971,981.84/2,958,299.93 = 692,257.57/x - Step 3: Cross multiply
1,971,981.84x = 2,958,299.93 × 692,257.57 - Step 4: Simplify right side
1,971,981.84x = 2,047,905,520,872.97 - Step 5: Solve for x
x = 2,047,905,520,872.97/1,971,981.84 - Step 6: Final answer
x = 1,038,501.21
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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.