Finding the Fourth Proportional to 1,209,813.95, 1,815,981.99 and 536,368.17
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Solution
The fourth proportional to 1,209,813.95, 1,815,981.99 and 536,368.17 is: 805,111.35
Step by Step Solution
- Step 1: Write the proportion equation
1,209,813.95 : 1,815,981.99 = 536,368.17 : x - Step 2: Convert to fraction form
1,209,813.95/1,815,981.99 = 536,368.17/x - Step 3: Cross multiply
1,209,813.95x = 1,815,981.99 × 536,368.17 - Step 4: Simplify right side
1,209,813.95x = 974,034,936,729.26 - Step 5: Solve for x
x = 974,034,936,729.26/1,209,813.95 - Step 6: Final answer
x = 805,111.35
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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.