Finding the Fourth Proportional to 1,506,129.96, 2,078,402.58 and 817,786.93
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Solution
The fourth proportional to 1,506,129.96, 2,078,402.58 and 817,786.93 is: 1,128,515.14
Step by Step Solution
- Step 1: Write the proportion equation
1,506,129.96 : 2,078,402.58 = 817,786.93 : x - Step 2: Convert to fraction form
1,506,129.96/2,078,402.58 = 817,786.93/x - Step 3: Cross multiply
1,506,129.96x = 2,078,402.58 × 817,786.93 - Step 4: Simplify right side
1,506,129.96x = 1,699,690,465,202.28 - Step 5: Solve for x
x = 1,699,690,465,202.28/1,506,129.96 - Step 6: Final answer
x = 1,128,515.14
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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.