Home / 1,956,479.10-2,699,938.65-1,085,445.93

Finding the Fourth Proportional to 1,956,479.10, 2,699,938.65 and 1,085,445.93

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Solution

The fourth proportional to 1,956,479.10, 2,699,938.65 and 1,085,445.93 is: 1,497,913.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,479.10 : 2,699,938.65 = 1,085,445.93 : x
  2. Step 2: Convert to fraction form
    1,956,479.10/2,699,938.65 = 1,085,445.93/x
  3. Step 3: Cross multiply
    1,956,479.10x = 2,699,938.65 × 1,085,445.93
  4. Step 4: Simplify right side
    1,956,479.10x = 2,930,637,418,892.19
  5. Step 5: Solve for x
    x = 2,930,637,418,892.19/1,956,479.10
  6. Step 6: Final answer
    x = 1,497,913.99

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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.