Finding the Fourth Proportional to 1,688,690.30, 2,330,322.62 and 924,730.70
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Solution
The fourth proportional to 1,688,690.30, 2,330,322.62 and 924,730.70 is: 1,276,090.04
Step by Step Solution
- Step 1: Write the proportion equation
1,688,690.30 : 2,330,322.62 = 924,730.70 : x - Step 2: Convert to fraction form
1,688,690.30/2,330,322.62 = 924,730.70/x - Step 3: Cross multiply
1,688,690.30x = 2,330,322.62 × 924,730.70 - Step 4: Simplify right side
1,688,690.30x = 2,154,920,867,618.43 - Step 5: Solve for x
x = 2,154,920,867,618.43/1,688,690.30 - Step 6: Final answer
x = 1,276,090.04
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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.