Home / 1,938,501.14-2,909,547.07-979,631.64

Finding the Fourth Proportional to 1,938,501.14, 2,909,547.07 and 979,631.64

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Solution

The fourth proportional to 1,938,501.14, 2,909,547.07 and 979,631.64 is: 1,470,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,501.14 : 2,909,547.07 = 979,631.64 : x
  2. Step 2: Convert to fraction form
    1,938,501.14/2,909,547.07 = 979,631.64/x
  3. Step 3: Cross multiply
    1,938,501.14x = 2,909,547.07 × 979,631.64
  4. Step 4: Simplify right side
    1,938,501.14x = 2,850,284,365,392.22
  5. Step 5: Solve for x
    x = 2,850,284,365,392.22/1,938,501.14
  6. Step 6: Final answer
    x = 1,470,354.76

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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.