Finding the Fourth Proportional to 1,368,699.03, 1,888,176.85 and 885,420.02
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Solution
The fourth proportional to 1,368,699.03, 1,888,176.85 and 885,420.02 is: 1,221,473.49
Step by Step Solution
- Step 1: Write the proportion equation
1,368,699.03 : 1,888,176.85 = 885,420.02 : x - Step 2: Convert to fraction form
1,368,699.03/1,888,176.85 = 885,420.02/x - Step 3: Cross multiply
1,368,699.03x = 1,888,176.85 × 885,420.02 - Step 4: Simplify right side
1,368,699.03x = 1,671,829,586,797.43 - Step 5: Solve for x
x = 1,671,829,586,797.43/1,368,699.03 - Step 6: Final answer
x = 1,221,473.49
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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.