Finding the Fourth Proportional to 2,643,828.60, 3,966,779.70 and 961,102.20
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Solution
The fourth proportional to 2,643,828.60, 3,966,779.70 and 961,102.20 is: 1,442,030.20
Step by Step Solution
- Step 1: Write the proportion equation
2,643,828.60 : 3,966,779.70 = 961,102.20 : x - Step 2: Convert to fraction form
2,643,828.60/3,966,779.70 = 961,102.20/x - Step 3: Cross multiply
2,643,828.60x = 3,966,779.70 × 961,102.20 - Step 4: Simplify right side
2,643,828.60x = 3,812,480,696,585.34 - Step 5: Solve for x
x = 3,812,480,696,585.34/2,643,828.60 - Step 6: Final answer
x = 1,442,030.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.