Home / 3,140,809.48-4,701,913.90-1,938,867.08

Finding the Fourth Proportional to 3,140,809.48, 4,701,913.90 and 1,938,867.08

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Solution

The fourth proportional to 3,140,809.48, 4,701,913.90 and 1,938,867.08 is: 2,902,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,809.48 : 4,701,913.90 = 1,938,867.08 : x
  2. Step 2: Convert to fraction form
    3,140,809.48/4,701,913.90 = 1,938,867.08/x
  3. Step 3: Cross multiply
    3,140,809.48x = 4,701,913.90 × 1,938,867.08
  4. Step 4: Simplify right side
    3,140,809.48x = 9,116,386,073,704.41
  5. Step 5: Solve for x
    x = 9,116,386,073,704.41/3,140,809.48
  6. Step 6: Final answer
    x = 2,902,559.40

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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.