Home / 1,971,167.18-2,720,792.48-1,155,547.40

Finding the Fourth Proportional to 1,971,167.18, 2,720,792.48 and 1,155,547.40

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Solution

The fourth proportional to 1,971,167.18, 2,720,792.48 and 1,155,547.40 is: 1,594,996.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,167.18 : 2,720,792.48 = 1,155,547.40 : x
  2. Step 2: Convert to fraction form
    1,971,167.18/2,720,792.48 = 1,155,547.40/x
  3. Step 3: Cross multiply
    1,971,167.18x = 2,720,792.48 × 1,155,547.40
  4. Step 4: Simplify right side
    1,971,167.18x = 3,144,004,656,821.85
  5. Step 5: Solve for x
    x = 3,144,004,656,821.85/1,971,167.18
  6. Step 6: Final answer
    x = 1,594,996.46

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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.