Finding the Fourth Proportional to 1,447,981.95, 1,998,215.08 and 803,406.75
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Solution
The fourth proportional to 1,447,981.95, 1,998,215.08 and 803,406.75 is: 1,108,701.32
Step by Step Solution
- Step 1: Write the proportion equation
1,447,981.95 : 1,998,215.08 = 803,406.75 : x - Step 2: Convert to fraction form
1,447,981.95/1,998,215.08 = 803,406.75/x - Step 3: Cross multiply
1,447,981.95x = 1,998,215.08 × 803,406.75 - Step 4: Simplify right side
1,447,981.95x = 1,605,379,490,610.84 - Step 5: Solve for x
x = 1,605,379,490,610.84/1,447,981.95 - Step 6: Final answer
x = 1,108,701.32
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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.