Home / 1,872,328.60-2,808,492.90-1,655,378.20

Finding the Fourth Proportional to 1,872,328.60, 2,808,492.90 and 1,655,378.20

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Solution

The fourth proportional to 1,872,328.60, 2,808,492.90 and 1,655,378.20 is: 2,483,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,328.60 : 2,808,492.90 = 1,655,378.20 : x
  2. Step 2: Convert to fraction form
    1,872,328.60/2,808,492.90 = 1,655,378.20/x
  3. Step 3: Cross multiply
    1,872,328.60x = 2,808,492.90 × 1,655,378.20
  4. Step 4: Simplify right side
    1,872,328.60x = 4,649,117,921,514.78
  5. Step 5: Solve for x
    x = 4,649,117,921,514.78/1,872,328.60
  6. Step 6: Final answer
    x = 2,483,067.30

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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.