Finding the Fourth Proportional to 2,390,702.28, 3,299,072.91 and 1,302,950.45
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Solution
The fourth proportional to 2,390,702.28, 3,299,072.91 and 1,302,950.45 is: 1,798,019.17
Step by Step Solution
- Step 1: Write the proportion equation
2,390,702.28 : 3,299,072.91 = 1,302,950.45 : x - Step 2: Convert to fraction form
2,390,702.28/3,299,072.91 = 1,302,950.45/x - Step 3: Cross multiply
2,390,702.28x = 3,299,072.91 × 1,302,950.45 - Step 4: Simplify right side
2,390,702.28x = 4,298,528,532,667.31 - Step 5: Solve for x
x = 4,298,528,532,667.31/2,390,702.28 - Step 6: Final answer
x = 1,798,019.17
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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.