Finding the Fourth Proportional to 1,803,201.27, 2,488,448.35 and 987,391.95
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Solution
The fourth proportional to 1,803,201.27, 2,488,448.35 and 987,391.95 is: 1,362,617.65
Step by Step Solution
- Step 1: Write the proportion equation
1,803,201.27 : 2,488,448.35 = 987,391.95 : x - Step 2: Convert to fraction form
1,803,201.27/2,488,448.35 = 987,391.95/x - Step 3: Cross multiply
1,803,201.27x = 2,488,448.35 × 987,391.95 - Step 4: Simplify right side
1,803,201.27x = 2,457,073,868,780.78 - Step 5: Solve for x
x = 2,457,073,868,780.78/1,803,201.27 - Step 6: Final answer
x = 1,362,617.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.