Finding the Fourth Proportional to 1,688,574.60, 2,330,229.06 and 924,621.48
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Solution
The fourth proportional to 1,688,574.60, 2,330,229.06 and 924,621.48 is: 1,275,975.51
Step by Step Solution
- Step 1: Write the proportion equation
1,688,574.60 : 2,330,229.06 = 924,621.48 : x - Step 2: Convert to fraction form
1,688,574.60/2,330,229.06 = 924,621.48/x - Step 3: Cross multiply
1,688,574.60x = 2,330,229.06 × 924,621.48 - Step 4: Simplify right side
1,688,574.60x = 2,154,579,842,196.21 - Step 5: Solve for x
x = 2,154,579,842,196.21/1,688,574.60 - Step 6: Final answer
x = 1,275,975.51
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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.