Finding the Fourth Proportional to 1,887,428.06, 2,828,342.64 and 1,386,342.62
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Solution
The fourth proportional to 1,887,428.06, 2,828,342.64 and 1,386,342.62 is: 2,077,457.69
Step by Step Solution
- Step 1: Write the proportion equation
1,887,428.06 : 2,828,342.64 = 1,386,342.62 : x - Step 2: Convert to fraction form
1,887,428.06/2,828,342.64 = 1,386,342.62/x - Step 3: Cross multiply
1,887,428.06x = 2,828,342.64 × 1,386,342.62 - Step 4: Simplify right side
1,887,428.06x = 3,921,051,931,653.60 - Step 5: Solve for x
x = 3,921,051,931,653.60/1,887,428.06 - Step 6: Final answer
x = 2,077,457.69
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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.