Finding the Fourth Proportional to 5,156,913.90, 7,730,563.10 and 1,742,813.26
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Solution
The fourth proportional to 5,156,913.90, 7,730,563.10 and 1,742,813.26 is: 2,612,595.08
Step by Step Solution
- Step 1: Write the proportion equation
5,156,913.90 : 7,730,563.10 = 1,742,813.26 : x - Step 2: Convert to fraction form
5,156,913.90/7,730,563.10 = 1,742,813.26/x - Step 3: Cross multiply
5,156,913.90x = 7,730,563.10 × 1,742,813.26 - Step 4: Simplify right side
5,156,913.90x = 13,472,927,903,193.97 - Step 5: Solve for x
x = 13,472,927,903,193.97/5,156,913.90 - Step 6: Final answer
x = 2,612,595.08
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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.