Finding the Fourth Proportional to 1,602,397.20, 2,211,304.64 and 877,239.02
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Solution
The fourth proportional to 1,602,397.20, 2,211,304.64 and 877,239.02 is: 1,210,587.93
Step by Step Solution
- Step 1: Write the proportion equation
1,602,397.20 : 2,211,304.64 = 877,239.02 : x - Step 2: Convert to fraction form
1,602,397.20/2,211,304.64 = 877,239.02/x - Step 3: Cross multiply
1,602,397.20x = 2,211,304.64 × 877,239.02 - Step 4: Simplify right side
1,602,397.20x = 1,939,842,715,315.05 - Step 5: Solve for x
x = 1,939,842,715,315.05/1,602,397.20 - Step 6: Final answer
x = 1,210,587.93
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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.