Finding the Fourth Proportional to 1,565,886.32, 2,161,074.80 and 877,675.08
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Solution
The fourth proportional to 1,565,886.32, 2,161,074.80 and 877,675.08 is: 1,211,276.63
Step by Step Solution
- Step 1: Write the proportion equation
1,565,886.32 : 2,161,074.80 = 877,675.08 : x - Step 2: Convert to fraction form
1,565,886.32/2,161,074.80 = 877,675.08/x - Step 3: Cross multiply
1,565,886.32x = 2,161,074.80 × 877,675.08 - Step 4: Simplify right side
1,565,886.32x = 1,896,721,497,975.98 - Step 5: Solve for x
x = 1,896,721,497,975.98/1,565,886.32 - Step 6: Final answer
x = 1,211,276.63
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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.