Finding the Fourth Proportional to 3,157,691.13, 4,357,616.84 and 1,707,386.18
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Solution
The fourth proportional to 3,157,691.13, 4,357,616.84 and 1,707,386.18 is: 2,356,194.59
Step by Step Solution
- Step 1: Write the proportion equation
3,157,691.13 : 4,357,616.84 = 1,707,386.18 : x - Step 2: Convert to fraction form
3,157,691.13/4,357,616.84 = 1,707,386.18/x - Step 3: Cross multiply
3,157,691.13x = 4,357,616.84 × 1,707,386.18 - Step 4: Simplify right side
3,157,691.13x = 7,440,134,748,563.19 - Step 5: Solve for x
x = 7,440,134,748,563.19/3,157,691.13 - Step 6: Final answer
x = 2,356,194.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.