Home / 2,862,069.12-3,949,750.08-1,572,955.20

Finding the Fourth Proportional to 2,862,069.12, 3,949,750.08 and 1,572,955.20

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Solution

The fourth proportional to 2,862,069.12, 3,949,750.08 and 1,572,955.20 is: 2,170,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862,069.12 : 3,949,750.08 = 1,572,955.20 : x
  2. Step 2: Convert to fraction form
    2,862,069.12/3,949,750.08 = 1,572,955.20/x
  3. Step 3: Cross multiply
    2,862,069.12x = 3,949,750.08 × 1,572,955.20
  4. Step 4: Simplify right side
    2,862,069.12x = 6,212,779,927,036.42
  5. Step 5: Solve for x
    x = 6,212,779,927,036.42/2,862,069.12
  6. Step 6: Final answer
    x = 2,170,730.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.