Finding the Fourth Proportional to 1,577,280.18, 2,176,647.78 and 852,127.62
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Solution
The fourth proportional to 1,577,280.18, 2,176,647.78 and 852,127.62 is: 1,175,936.73
Step by Step Solution
- Step 1: Write the proportion equation
1,577,280.18 : 2,176,647.78 = 852,127.62 : x - Step 2: Convert to fraction form
1,577,280.18/2,176,647.78 = 852,127.62/x - Step 3: Cross multiply
1,577,280.18x = 2,176,647.78 × 852,127.62 - Step 4: Simplify right side
1,577,280.18x = 1,854,781,692,349.68 - Step 5: Solve for x
x = 1,854,781,692,349.68/1,577,280.18 - Step 6: Final answer
x = 1,175,936.73
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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.