Finding the Fourth Proportional to 5,284,329.12, 7,292,417.04 and 2,869,898.40
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Solution
The fourth proportional to 5,284,329.12, 7,292,417.04 and 2,869,898.40 is: 3,960,483.07
Step by Step Solution
- Step 1: Write the proportion equation
5,284,329.12 : 7,292,417.04 = 2,869,898.40 : x - Step 2: Convert to fraction form
5,284,329.12/7,292,417.04 = 2,869,898.40/x - Step 3: Cross multiply
5,284,329.12x = 7,292,417.04 × 2,869,898.40 - Step 4: Simplify right side
5,284,329.12x = 20,928,495,995,228.73 - Step 5: Solve for x
x = 20,928,495,995,228.73/5,284,329.12 - Step 6: Final answer
x = 3,960,483.07
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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.