Home / 3,887,328.32-5,364,547.98-2,145,075.20

Finding the Fourth Proportional to 3,887,328.32, 5,364,547.98 and 2,145,075.20

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Solution

The fourth proportional to 3,887,328.32, 5,364,547.98 and 2,145,075.20 is: 2,960,223.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,328.32 : 5,364,547.98 = 2,145,075.20 : x
  2. Step 2: Convert to fraction form
    3,887,328.32/5,364,547.98 = 2,145,075.20/x
  3. Step 3: Cross multiply
    3,887,328.32x = 5,364,547.98 × 2,145,075.20
  4. Step 4: Simplify right side
    3,887,328.32x = 11,507,358,831,108.10
  5. Step 5: Solve for x
    x = 11,507,358,831,108.10/3,887,328.32
  6. Step 6: Final answer
    x = 2,960,223.03

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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.