Home / 2,878,077.63-4,316,364.23-855,776.91

Finding the Fourth Proportional to 2,878,077.63, 4,316,364.23 and 855,776.91

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Solution

The fourth proportional to 2,878,077.63, 4,316,364.23 and 855,776.91 is: 1,283,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,077.63 : 4,316,364.23 = 855,776.91 : x
  2. Step 2: Convert to fraction form
    2,878,077.63/4,316,364.23 = 855,776.91/x
  3. Step 3: Cross multiply
    2,878,077.63x = 4,316,364.23 × 855,776.91
  4. Step 4: Simplify right side
    2,878,077.63x = 3,693,844,838,905.04
  5. Step 5: Solve for x
    x = 3,693,844,838,905.04/2,878,077.63
  6. Step 6: Final answer
    x = 1,283,441.70

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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.