Finding the Fourth Proportional to 1,878,574.10, 2,817,854.21 and 680,216.15
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Solution
The fourth proportional to 1,878,574.10, 2,817,854.21 and 680,216.15 is: 1,020,321.71
Step by Step Solution
- Step 1: Write the proportion equation
1,878,574.10 : 2,817,854.21 = 680,216.15 : x - Step 2: Convert to fraction form
1,878,574.10/2,817,854.21 = 680,216.15/x - Step 3: Cross multiply
1,878,574.10x = 2,817,854.21 × 680,216.15 - Step 4: Simplify right side
1,878,574.10x = 1,916,749,924,497.14 - Step 5: Solve for x
x = 1,916,749,924,497.14/1,878,574.10 - Step 6: Final answer
x = 1,020,321.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.