Home / 4,238,081.60-6,357,122.40-1,398,043.40

Finding the Fourth Proportional to 4,238,081.60, 6,357,122.40 and 1,398,043.40

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Solution

The fourth proportional to 4,238,081.60, 6,357,122.40 and 1,398,043.40 is: 2,097,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238,081.60 : 6,357,122.40 = 1,398,043.40 : x
  2. Step 2: Convert to fraction form
    4,238,081.60/6,357,122.40 = 1,398,043.40/x
  3. Step 3: Cross multiply
    4,238,081.60x = 6,357,122.40 × 1,398,043.40
  4. Step 4: Simplify right side
    4,238,081.60x = 8,887,533,014,312.16
  5. Step 5: Solve for x
    x = 8,887,533,014,312.16/4,238,081.60
  6. Step 6: Final answer
    x = 2,097,065.10

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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.