Home / 2,861,870.40-3,949,300.80-1,572,710.40

Finding the Fourth Proportional to 2,861,870.40, 3,949,300.80 and 1,572,710.40

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Solution

The fourth proportional to 2,861,870.40, 3,949,300.80 and 1,572,710.40 is: 2,170,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,870.40 : 3,949,300.80 = 1,572,710.40 : x
  2. Step 2: Convert to fraction form
    2,861,870.40/3,949,300.80 = 1,572,710.40/x
  3. Step 3: Cross multiply
    2,861,870.40x = 3,949,300.80 × 1,572,710.40
  4. Step 4: Simplify right side
    2,861,870.40x = 6,211,106,440,888.32
  5. Step 5: Solve for x
    x = 6,211,106,440,888.32/2,861,870.40
  6. Step 6: Final answer
    x = 2,170,296.20

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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.