Home / 1,878,320-2,817,922.30-1,495,516.70

Finding the Fourth Proportional to 1,878,320, 2,817,922.30 and 1,495,516.70

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Solution

The fourth proportional to 1,878,320, 2,817,922.30 and 1,495,516.70 is: 2,243,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,320 : 2,817,922.30 = 1,495,516.70 : x
  2. Step 2: Convert to fraction form
    1,878,320/2,817,922.30 = 1,495,516.70/x
  3. Step 3: Cross multiply
    1,878,320x = 2,817,922.30 × 1,495,516.70
  4. Step 4: Simplify right side
    1,878,320x = 4,214,249,858,952.41
  5. Step 5: Solve for x
    x = 4,214,249,858,952.41/1,878,320
  6. Step 6: Final answer
    x = 2,243,627.21

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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.