Finding the Fourth Proportional to 2,709,828.18, 3,739,293.45 and 1,564,277.58
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Solution
The fourth proportional to 2,709,828.18, 3,739,293.45 and 1,564,277.58 is: 2,158,547.52
Step by Step Solution
- Step 1: Write the proportion equation
2,709,828.18 : 3,739,293.45 = 1,564,277.58 : x - Step 2: Convert to fraction form
2,709,828.18/3,739,293.45 = 1,564,277.58/x - Step 3: Cross multiply
2,709,828.18x = 3,739,293.45 × 1,564,277.58 - Step 4: Simplify right side
2,709,828.18x = 5,849,292,908,875.85 - Step 5: Solve for x
x = 5,849,292,908,875.85/2,709,828.18 - Step 6: Final answer
x = 2,158,547.52
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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.