Finding the Fourth Proportional to 1,532,783.08, 2,115,023.70 and 870,472
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Solution
The fourth proportional to 1,532,783.08, 2,115,023.70 and 870,472 is: 1,201,128.15
Step by Step Solution
- Step 1: Write the proportion equation
1,532,783.08 : 2,115,023.70 = 870,472 : x - Step 2: Convert to fraction form
1,532,783.08/2,115,023.70 = 870,472/x - Step 3: Cross multiply
1,532,783.08x = 2,115,023.70 × 870,472 - Step 4: Simplify right side
1,532,783.08x = 1,841,068,910,186.40 - Step 5: Solve for x
x = 1,841,068,910,186.40/1,532,783.08 - Step 6: Final answer
x = 1,201,128.15
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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.