Finding the Fourth Proportional to 1,506,693.16, 2,270,403.91 and 1,246,313.80
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Solution
The fourth proportional to 1,506,693.16, 2,270,403.91 and 1,246,313.80 is: 1,878,043.78
Step by Step Solution
- Step 1: Write the proportion equation
1,506,693.16 : 2,270,403.91 = 1,246,313.80 : x - Step 2: Convert to fraction form
1,506,693.16/2,270,403.91 = 1,246,313.80/x - Step 3: Cross multiply
1,506,693.16x = 2,270,403.91 × 1,246,313.80 - Step 4: Simplify right side
1,506,693.16x = 2,829,635,724,606.96 - Step 5: Solve for x
x = 2,829,635,724,606.96/1,506,693.16 - Step 6: Final answer
x = 1,878,043.78
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.