Finding the Fourth Proportional to 2,566,886.28, 3,542,331.08 and 1,420,985.76
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Solution
The fourth proportional to 2,566,886.28, 3,542,331.08 and 1,420,985.76 is: 1,960,975.86
Step by Step Solution
- Step 1: Write the proportion equation
2,566,886.28 : 3,542,331.08 = 1,420,985.76 : x - Step 2: Convert to fraction form
2,566,886.28/3,542,331.08 = 1,420,985.76/x - Step 3: Cross multiply
2,566,886.28x = 3,542,331.08 × 1,420,985.76 - Step 4: Simplify right side
2,566,886.28x = 5,033,602,021,885.42 - Step 5: Solve for x
x = 5,033,602,021,885.42/2,566,886.28 - Step 6: Final answer
x = 1,960,975.86
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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.