Home / 2,389,547.52-3,296,312.64-1,421,988.48

Finding the Fourth Proportional to 2,389,547.52, 3,296,312.64 and 1,421,988.48

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Solution

The fourth proportional to 2,389,547.52, 3,296,312.64 and 1,421,988.48 is: 1,961,592.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,547.52 : 3,296,312.64 = 1,421,988.48 : x
  2. Step 2: Convert to fraction form
    2,389,547.52/3,296,312.64 = 1,421,988.48/x
  3. Step 3: Cross multiply
    2,389,547.52x = 3,296,312.64 × 1,421,988.48
  4. Step 4: Simplify right side
    2,389,547.52x = 4,687,318,600,558.39
  5. Step 5: Solve for x
    x = 4,687,318,600,558.39/2,389,547.52
  6. Step 6: Final answer
    x = 1,961,592.54

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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.