Finding the Fourth Proportional to 1,609,829.76, 2,221,457.67 and 884,661.87
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Solution
The fourth proportional to 1,609,829.76, 2,221,457.67 and 884,661.87 is: 1,220,774.36
Step by Step Solution
- Step 1: Write the proportion equation
1,609,829.76 : 2,221,457.67 = 884,661.87 : x - Step 2: Convert to fraction form
1,609,829.76/2,221,457.67 = 884,661.87/x - Step 3: Cross multiply
1,609,829.76x = 2,221,457.67 × 884,661.87 - Step 4: Simplify right side
1,609,829.76x = 1,965,238,896,468.04 - Step 5: Solve for x
x = 1,965,238,896,468.04/1,609,829.76 - Step 6: Final answer
x = 1,220,774.36
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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.