Finding the Fourth Proportional to 1,602,420.82, 2,211,330.07 and 877,280.73
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Solution
The fourth proportional to 1,602,420.82, 2,211,330.07 and 877,280.73 is: 1,210,641.56
Step by Step Solution
- Step 1: Write the proportion equation
1,602,420.82 : 2,211,330.07 = 877,280.73 : x - Step 2: Convert to fraction form
1,602,420.82/2,211,330.07 = 877,280.73/x - Step 3: Cross multiply
1,602,420.82x = 2,211,330.07 × 877,280.73 - Step 4: Simplify right side
1,602,420.82x = 1,939,957,250,884.66 - Step 5: Solve for x
x = 1,939,957,250,884.66/1,602,420.82 - Step 6: Final answer
x = 1,210,641.56
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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.