Finding the Fourth Proportional to 2,020,258.24, 2,788,433.52 and 1,161,316.80
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Solution
The fourth proportional to 2,020,258.24, 2,788,433.52 and 1,161,316.80 is: 1,602,891.47
Step by Step Solution
- Step 1: Write the proportion equation
2,020,258.24 : 2,788,433.52 = 1,161,316.80 : x - Step 2: Convert to fraction form
2,020,258.24/2,788,433.52 = 1,161,316.80/x - Step 3: Cross multiply
2,020,258.24x = 2,788,433.52 × 1,161,316.80 - Step 4: Simplify right side
2,020,258.24x = 3,238,254,692,459.14 - Step 5: Solve for x
x = 3,238,254,692,459.14/2,020,258.24 - Step 6: Final answer
x = 1,602,891.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.