Home / 1,878,312-2,817,910.29-1,495,508.70

Finding the Fourth Proportional to 1,878,312, 2,817,910.29 and 1,495,508.70

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Solution

The fourth proportional to 1,878,312, 2,817,910.29 and 1,495,508.70 is: 2,243,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,312 : 2,817,910.29 = 1,495,508.70 : x
  2. Step 2: Convert to fraction form
    1,878,312/2,817,910.29 = 1,495,508.70/x
  3. Step 3: Cross multiply
    1,878,312x = 2,817,910.29 × 1,495,508.70
  4. Step 4: Simplify right side
    1,878,312x = 4,214,209,354,514.52
  5. Step 5: Solve for x
    x = 4,214,209,354,514.52/1,878,312
  6. Step 6: Final answer
    x = 2,243,615.20

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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.