Finding the Fourth Proportional to 1,520,778.24, 2,098,903.68 and 876,293.76
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Solution
The fourth proportional to 1,520,778.24, 2,098,903.68 and 876,293.76 is: 1,209,417.75
Step by Step Solution
- Step 1: Write the proportion equation
1,520,778.24 : 2,098,903.68 = 876,293.76 : x - Step 2: Convert to fraction form
1,520,778.24/2,098,903.68 = 876,293.76/x - Step 3: Cross multiply
1,520,778.24x = 2,098,903.68 × 876,293.76 - Step 4: Simplify right side
1,520,778.24x = 1,839,256,197,625.04 - Step 5: Solve for x
x = 1,839,256,197,625.04/1,520,778.24 - Step 6: Final answer
x = 1,209,417.75
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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.