Home / 1,878,062.89-2,591,762.12-1,152,547.51

Finding the Fourth Proportional to 1,878,062.89, 2,591,762.12 and 1,152,547.51

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Solution

The fourth proportional to 1,878,062.89, 2,591,762.12 and 1,152,547.51 is: 1,590,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,062.89 : 2,591,762.12 = 1,152,547.51 : x
  2. Step 2: Convert to fraction form
    1,878,062.89/2,591,762.12 = 1,152,547.51/x
  3. Step 3: Cross multiply
    1,878,062.89x = 2,591,762.12 × 1,152,547.51
  4. Step 4: Simplify right side
    1,878,062.89x = 2,987,128,977,918.32
  5. Step 5: Solve for x
    x = 2,987,128,977,918.32/1,878,062.89
  6. Step 6: Final answer
    x = 1,590,537.25

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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.