Finding the Fourth Proportional to 2,628,124.32, 3,939,095.64 and 1,187,125.74
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Solution
The fourth proportional to 2,628,124.32, 3,939,095.64 and 1,187,125.74 is: 1,779,292.48
Step by Step Solution
- Step 1: Write the proportion equation
2,628,124.32 : 3,939,095.64 = 1,187,125.74 : x - Step 2: Convert to fraction form
2,628,124.32/3,939,095.64 = 1,187,125.74/x - Step 3: Cross multiply
2,628,124.32x = 3,939,095.64 × 1,187,125.74 - Step 4: Simplify right side
2,628,124.32x = 4,676,201,826,565.77 - Step 5: Solve for x
x = 4,676,201,826,565.77/2,628,124.32 - Step 6: Final answer
x = 1,779,292.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.