Home / 1,918,678.68-2,877,516.90-570,478.32

Finding the Fourth Proportional to 1,918,678.68, 2,877,516.90 and 570,478.32

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Solution

The fourth proportional to 1,918,678.68, 2,877,516.90 and 570,478.32 is: 855,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,678.68 : 2,877,516.90 = 570,478.32 : x
  2. Step 2: Convert to fraction form
    1,918,678.68/2,877,516.90 = 570,478.32/x
  3. Step 3: Cross multiply
    1,918,678.68x = 2,877,516.90 × 570,478.32
  4. Step 4: Simplify right side
    1,918,678.68x = 1,641,561,006,883.61
  5. Step 5: Solve for x
    x = 1,641,561,006,883.61/1,918,678.68
  6. Step 6: Final answer
    x = 855,568.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.