Finding the Fourth Proportional to 1,566,152.80, 2,187,890 and 1,566,152.80
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Solution
The fourth proportional to 1,566,152.80, 2,187,890 and 1,566,152.80 is: 2,187,890
Step by Step Solution
- Step 1: Write the proportion equation
1,566,152.80 : 2,187,890 = 1,566,152.80 : x - Step 2: Convert to fraction form
1,566,152.80/2,187,890 = 1,566,152.80/x - Step 3: Cross multiply
1,566,152.80x = 2,187,890 × 1,566,152.80 - Step 4: Simplify right side
1,566,152.80x = 3,426,570,049,592 - Step 5: Solve for x
x = 3,426,570,049,592/1,566,152.80 - Step 6: Final answer
x = 2,187,890
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.