Finding the Fourth Proportional to 2,390,440.86, 3,298,808.46 and 1,317,352.86
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Solution
The fourth proportional to 2,390,440.86, 3,298,808.46 and 1,317,352.86 is: 1,817,946.99
Step by Step Solution
- Step 1: Write the proportion equation
2,390,440.86 : 3,298,808.46 = 1,317,352.86 : x - Step 2: Convert to fraction form
2,390,440.86/3,298,808.46 = 1,317,352.86/x - Step 3: Cross multiply
2,390,440.86x = 3,298,808.46 × 1,317,352.86 - Step 4: Simplify right side
2,390,440.86x = 4,345,694,759,373.20 - Step 5: Solve for x
x = 4,345,694,759,373.20/2,390,440.86 - Step 6: Final answer
x = 1,817,946.99
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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.