Finding the Fourth Proportional to 3,158,560.74, 4,358,813.82 and 1,708,256.18
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Solution
The fourth proportional to 3,158,560.74, 4,358,813.82 and 1,708,256.18 is: 2,357,393.53
Step by Step Solution
- Step 1: Write the proportion equation
3,158,560.74 : 4,358,813.82 = 1,708,256.18 : x - Step 2: Convert to fraction form
3,158,560.74/4,358,813.82 = 1,708,256.18/x - Step 3: Cross multiply
3,158,560.74x = 4,358,813.82 × 1,708,256.18 - Step 4: Simplify right side
3,158,560.74x = 7,445,970,645,484.41 - Step 5: Solve for x
x = 7,445,970,645,484.41/3,158,560.74 - Step 6: Final answer
x = 2,357,393.53
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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.