Home / 4,280,774.40-6,422,146.56-1,440,810.72

Finding the Fourth Proportional to 4,280,774.40, 6,422,146.56 and 1,440,810.72

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Solution

The fourth proportional to 4,280,774.40, 6,422,146.56 and 1,440,810.72 is: 2,161,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280,774.40 : 6,422,146.56 = 1,440,810.72 : x
  2. Step 2: Convert to fraction form
    4,280,774.40/6,422,146.56 = 1,440,810.72/x
  3. Step 3: Cross multiply
    4,280,774.40x = 6,422,146.56 × 1,440,810.72
  4. Step 4: Simplify right side
    4,280,774.40x = 9,253,097,609,059.12
  5. Step 5: Solve for x
    x = 9,253,097,609,059.12/4,280,774.40
  6. Step 6: Final answer
    x = 2,161,547.60

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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.