Finding the Fourth Proportional to 1,566,282.60, 2,349,423.90 and 1,087,985.70
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Solution
The fourth proportional to 1,566,282.60, 2,349,423.90 and 1,087,985.70 is: 1,631,978.55
Step by Step Solution
- Step 1: Write the proportion equation
1,566,282.60 : 2,349,423.90 = 1,087,985.70 : x - Step 2: Convert to fraction form
1,566,282.60/2,349,423.90 = 1,087,985.70/x - Step 3: Cross multiply
1,566,282.60x = 2,349,423.90 × 1,087,985.70 - Step 4: Simplify right side
1,566,282.60x = 2,556,139,606,438.23 - Step 5: Solve for x
x = 2,556,139,606,438.23/1,566,282.60 - Step 6: Final answer
x = 1,631,978.55
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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.