Finding the Fourth Proportional to 1,447,803.06, 1,998,208.06 and 803,430.24
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Solution
The fourth proportional to 1,447,803.06, 1,998,208.06 and 803,430.24 is: 1,108,866.82
Step by Step Solution
- Step 1: Write the proportion equation
1,447,803.06 : 1,998,208.06 = 803,430.24 : x - Step 2: Convert to fraction form
1,447,803.06/1,998,208.06 = 803,430.24/x - Step 3: Cross multiply
1,447,803.06x = 1,998,208.06 × 803,430.24 - Step 4: Simplify right side
1,447,803.06x = 1,605,420,781,215.73 - Step 5: Solve for x
x = 1,605,420,781,215.73/1,447,803.06 - Step 6: Final answer
x = 1,108,866.82
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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.