Finding the Fourth Proportional to 1,917,982.80, 2,875,516.20 and 972,032.40
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Solution
The fourth proportional to 1,917,982.80, 2,875,516.20 and 972,032.40 is: 1,457,309.69
Step by Step Solution
- Step 1: Write the proportion equation
1,917,982.80 : 2,875,516.20 = 972,032.40 : x - Step 2: Convert to fraction form
1,917,982.80/2,875,516.20 = 972,032.40/x - Step 3: Cross multiply
1,917,982.80x = 2,875,516.20 × 972,032.40 - Step 4: Simplify right side
1,917,982.80x = 2,795,094,913,124.88 - Step 5: Solve for x
x = 2,795,094,913,124.88/1,917,982.80 - Step 6: Final answer
x = 1,457,309.69
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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.