Home / 1,865,419.15-2,574,395.77-1,130,437.78

Finding the Fourth Proportional to 1,865,419.15, 2,574,395.77 and 1,130,437.78

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Solution

The fourth proportional to 1,865,419.15, 2,574,395.77 and 1,130,437.78 is: 1,560,075.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,419.15 : 2,574,395.77 = 1,130,437.78 : x
  2. Step 2: Convert to fraction form
    1,865,419.15/2,574,395.77 = 1,130,437.78/x
  3. Step 3: Cross multiply
    1,865,419.15x = 2,574,395.77 × 1,130,437.78
  4. Step 4: Simplify right side
    1,865,419.15x = 2,910,194,239,080.19
  5. Step 5: Solve for x
    x = 2,910,194,239,080.19/1,865,419.15
  6. Step 6: Final answer
    x = 1,560,075.25

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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.