Finding the Fourth Proportional to 6,437,848.20, 8,884,377.45 and 3,537,055.14
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Solution
The fourth proportional to 6,437,848.20, 8,884,377.45 and 3,537,055.14 is: 4,881,216.82
Step by Step Solution
- Step 1: Write the proportion equation
6,437,848.20 : 8,884,377.45 = 3,537,055.14 : x - Step 2: Convert to fraction form
6,437,848.20/8,884,377.45 = 3,537,055.14/x - Step 3: Cross multiply
6,437,848.20x = 8,884,377.45 × 3,537,055.14 - Step 4: Simplify right side
6,437,848.20x = 31,424,532,925,222.59 - Step 5: Solve for x
x = 31,424,532,925,222.59/6,437,848.20 - Step 6: Final answer
x = 4,881,216.82
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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.