Finding the Fourth Proportional to 1,925,712.08, 2,887,488.24 and 1,319,185.68
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Solution
The fourth proportional to 1,925,712.08, 2,887,488.24 and 1,319,185.68 is: 1,978,038.76
Step by Step Solution
- Step 1: Write the proportion equation
1,925,712.08 : 2,887,488.24 = 1,319,185.68 : x - Step 2: Convert to fraction form
1,925,712.08/2,887,488.24 = 1,319,185.68/x - Step 3: Cross multiply
1,925,712.08x = 2,887,488.24 × 1,319,185.68 - Step 4: Simplify right side
1,925,712.08x = 3,809,133,137,376.40 - Step 5: Solve for x
x = 3,809,133,137,376.40/1,925,712.08 - Step 6: Final answer
x = 1,978,038.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.