Finding the Fourth Proportional to 1,447,707.12, 1,997,838.19 and 803,127.32
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Solution
The fourth proportional to 1,447,707.12, 1,997,838.19 and 803,127.32 is: 1,108,317.01
Step by Step Solution
- Step 1: Write the proportion equation
1,447,707.12 : 1,997,838.19 = 803,127.32 : x - Step 2: Convert to fraction form
1,447,707.12/1,997,838.19 = 803,127.32/x - Step 3: Cross multiply
1,447,707.12x = 1,997,838.19 × 803,127.32 - Step 4: Simplify right side
1,447,707.12x = 1,604,518,436,053.26 - Step 5: Solve for x
x = 1,604,518,436,053.26/1,447,707.12 - Step 6: Final answer
x = 1,108,317.01
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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.